Also ignore compiler/gppc* pattern

(cherry picked from commit c426791a1b8f2e947b5c66e5b5e0ab0be2121a66)

.gitignore

@@ -40,6 +40,7 @@ lazbuild
 *.wpo
 a.out
 /compiler/ppc*
+/compiler/gppc*
 !/compiler/ppc*.lpi
 *.lpi
 !/compiler/ppc*.pas