Added a section for Autoconf to .gitignore.

.gitignore

@@ -4,6 +4,38 @@ dist
 *.pak
 starfighter
 
+# Autoconf / Automake
+aclocal.m4
+autom4te.cache
+compile
+config.h
+config.h.in
+config.log
+config.status
+configure
+depcomp
+install-sh
+Makefile
+Makefile.in
+missing
+stamp-h1
+config.h.in~
+src/Makefile
+src/Makefile.in
+src/.deps
+data/Makefile
+data/Makefile.in
+data/.deps
+gfx/Makefile
+gfx/Makefile.in
+gfx/.deps
+music/Makefile
+music/Makefile.in
+music/.deps
+sound/Makefile
+sound/Makefile.in
+sound/.deps
+
 # Mac OS X
 *.DS_Store