maint: remove trailing empty lines.

* cfg.mk: No longer skip sc_prohibit_empty_lines_at_EOF, except
	for parse-gram.h (generated).
	* examples/mfcalc/.gitignore, lib/.gitignore, m4/.gitignore,
	* po/.gitignore, runtime-po/.gitignore: Remove trailing/leading
	empty lines.

cfg.mk

@@ -42,7 +42,6 @@ local-checks-to-skip =			\
   sc_prohibit_always_true_header_tests	\
   sc_prohibit_atoi_atof			\
   sc_prohibit_doubled_word		\
-  sc_prohibit_empty_lines_at_EOF	\
   sc_prohibit_strcmp
 
 # The local directory containing the checked-out copy of gnulib used in
@@ -59,7 +58,8 @@ update-copyright: update-b4-copyright update-package-copyright-year
 update-copyright-env = \
   UPDATE_COPYRIGHT_FORCE=1 UPDATE_COPYRIGHT_USE_INTERVALS=1
 
-exclude_file_name_regexp--sc_space_tab = ^tests/(input|c\+\+)\.at$$
+exclude_file_name_regexp--sc_prohibit_empty_lines_at_EOF = ^src/parse-gram.h$$
 exclude_file_name_regexp--sc_require_config_h_first = \
   ^(lib/yyerror|data/(glr|yacc))\.c$$
+exclude_file_name_regexp--sc_space_tab = ^tests/(input|c\+\+)\.at$$
 exclude_file_name_regexp--sc_unmarked_diagnostics = ^djgpp/

examples/mfcalc/.gitignore

@@ -8,4 +8,3 @@
 /mfcalc.h
 /mfcalc.stamp
 /mfcalc.y
-

po/.gitignore

@@ -1,4 +1,3 @@
-
 /*.gmo
 /*.po
 /*.po~
@@ -21,4 +20,3 @@
 /remove-potcdate.sed
 /remove-potcdate.sin
 /stamp-po
-

runtime-po/.gitignore

@@ -1,4 +1,3 @@
-
 /*.gmo
 /*.po
 /*.po~
@@ -21,4 +20,3 @@
 /remove-potcdate.sed
 /remove-potcdate.sin
 /stamp-po
-