Ignore .pc and patches used by quilt

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6024 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/.gitignore b/.gitignore
index 9526a39..0f4af35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,5 @@
 *.tp
 *.vr
 *.d
+.pc
+patches