Some hosts don't like `/' in includes.

* src/system.h: Include libgettext.h without qualifying the path.
* src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
$(top_srcdir).

src/Makefile.am

@@ -28,8 +28,8 @@ CFLAGS = @CFLAGS@ $(WARNING_CFLAGS)
 # config.h in build/.
 INCLUDES = -I$(top_builddir)/intl \
            -I$(top_builddir)      \
-           -I$(top_srcdir)/lib    \
-           -I$(top_srcdir)
+           -I$(top_srcdir)/intl \
+           -I$(top_srcdir)/lib
 
 LDADD = $(INTLLIBS) ../lib/libbison.a
 

src/system.h

@@ -149,7 +149,7 @@ size_t strnlen PARAMS ((const char *s, size_t maxlen));
 # define setlocale(Category, Locale)
 #endif
 
-#include "intl/libgettext.h"
+#include "libgettext.h"
 #define _(Msgid)  gettext (Msgid)
 #define N_(Msgid) (Msgid)