Added .swp Vim edit files to 'make git-ignore'

Author: bvssvni

Makefile

@@ -218,7 +218,7 @@ git-ignore:
 	) \
 	|| \
 	( \
-		echo -e ".DS_Store\n*~\n*#\n*.o\n*.so\n*.dylib\n*.dSYM\n*.dll\n*.rlib\n*.dummy\n*.exe\n*-test\n/bin/\n/doc/\n/target/\n/build/\n/.rust/\nrusti.sh\n" > .gitignore \
+		echo -e ".DS_Store\n*~\n*#\n*.o\n*.so\n*.swp\n*.dylib\n*.dSYM\n*.dll\n*.rlib\n*.dummy\n*.exe\n*-test\n/bin/\n/doc/\n/target/\n/build/\n/.rust/\nrusti.sh\n" > .gitignore \
 		&& clear \
 		&& echo "--- Created '.gitignore' for git" \
 		&& cat .gitignore \