Fix links in man pages

Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>

src/asm/rgbasm.1

@@ -94,4 +94,5 @@ and
 .Nm
 was originally written by Carsten S\(/orensen as part of the ASMotor package,
 and was later packaged in RGBDS by Justin Lloyd. It is now maintained by a
-number of contributors at https://github.com/rednex/rgbds.
+number of contributors at
+.Lk https://github.com/rednex/rgbds .

src/asm/rgbasm.5

@@ -1005,4 +1005,4 @@ machine.
 was originally written by Carsten S\(/orensen as part of the ASMotor package,
 and was later packaged in RGBDS by Justin Lloyd.
 It is now maintained by a number of contributors at
-https://github.com/rednex/rgbds.
+.Lk https://github.com/rednex/rgbds .

src/fix/rgbfix.1

@@ -12,7 +12,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd April 16, 2017
+.Dd April 17, 2017
 .Dt RGBFIX 1
 .Os RGBDS Manual
 .Sh NAME
@@ -153,4 +153,5 @@ SurvivalKids.gbc
 .Nm
 was originally released by Carsten S\(/orensen as a standalone program called
 gbfix, and was later packaged in RGBDS by Justin Lloyd. It is now maintained by
-a number of contributors at https://github.com/rednex/rgbds.
+a number of contributors at
+.Lk https://github.com/rednex/rgbds .

src/gbz80.7

@@ -12,7 +12,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd April 16, 2017
+.Dd April 17, 2017
 .Dt GBZ80 7
 .Os RGBDS Manual
 .Sh NAME
@@ -1821,4 +1821,4 @@ Flags: See
 was originally written by Carsten S\(/orensen as part of the ASMotor package,
 and was later packaged in RGBDS by Justin Lloyd.
 It is now maintained by a number of contributors at
-https://github.com/rednex/rgbds.
+.Lk https://github.com/rednex/rgbds .

src/gfx/rgbgfx.1

@@ -12,7 +12,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd April 8, 2017
+.Dd April 17, 2017
 .Dt RGBGFX 1
 .Os RGBDS Manual
 .Sh NAME
@@ -103,4 +103,4 @@ was created by
 .An stag019
 to be included in RGBDS.
 It is now maintained by a number of contributors at
-https://github.com/rednex/rgbds.
+.Lk https://github.com/rednex/rgbds .

src/link/rgblink.1

@@ -119,4 +119,5 @@ to fix these so that the program will actually run in a Game Boy:
 .Nm
 was originally written by Carsten S\(/orensen as part of the ASMotor package,
 and was later packaged in RGBDS by Justin Lloyd. It is now maintained by a
-number of contributors at https://github.com/rednex/rgbds.
+number of contributors at
+.Lk https://github.com/rednex/rgbds .

src/link/rgblink.5

@@ -98,4 +98,5 @@ linkerscript. The address and alignment musn't be set.
 .Nm
 was originally written by Carsten S\(/orensen as part of the ASMotor package,
 and was later packaged in RGBDS by Justin Lloyd. It is now maintained by a
-number of contributors at https://github.com/rednex/rgbds.
+number of contributors at
+.Lk https://github.com/rednex/rgbds .

src/rgbds.5

@@ -187,4 +187,4 @@ Symbol ID follows.
 was originally written by Carsten S\(/orensen as part of the ASMotor package,
 and was later packaged in RGBDS by Justin Lloyd.
 It is now maintained by a number of contributors at
-https://github.com/rednex/rgbds.
+.Lk https://github.com/rednex/rgbds .

src/rgbds.7

@@ -47,5 +47,5 @@ implementation of rgbds.
 .It
 2017, Bentley's repository is moved to a neutral name.
 It is now maintained by a number of contributors at
-https://github.com/rednex/rgbds
+.Lk https://github.com/rednex/rgbds .
 .El