Add libdrm_intel.pc by popular demand.
diff --git a/.gitignore b/.gitignore
index bd78034..ba5440b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -36,6 +36,8 @@
 install-sh
 libdrm/config.h.in
 libdrm.pc
+libdrm_intel.pc
+libdrm_nouveau.pc
 libtool
 ltmain.sh
 mach64.kld