Sort gitignore, adjust pattern for config.h

Don't ignore the files config.h and config.h.in, adjust the pattern to
ignore config.h*. This matches an additional config.h.in~ too.

Signed-off-by: Daniel Martin <consume.noise@gmail.com>
Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Uli Schlachter <psychon@znc.in>
Tested-By: Ran Benita <ran234@gmail.com>

.gitignore

@@ -1,24 +1,23 @@
-aclocal.m4
-build-aux
-libtool
-m4/l*.m4
-mkinstalldirs
-config.h
-config.h.in
-config.log
-config.status
-configure
-configure.lineno
-.deps
-.dirstamp
-.libs
+*.la
 *.lo
 *.loT
-*.la
-Makefile
-Makefile.in
-stamp-h1
 *.o
 *.pc
 *.tar.bz2
 *.tar.gz
+.deps
+.dirstamp
+.libs
+Makefile
+Makefile.in
+aclocal.m4
+build-aux
+config.h*
+config.log
+config.status
+configure
+configure.lineno
+libtool
+m4/l*.m4
+mkinstalldirs
+stamp-h1