.gitignore: ignore precompiled GCC headers (#4516)

Not sure since when this is the default behavior, but my local tree is full
of such files. Let's ignore them for clarity.

diff --git a/.gitignore b/.gitignore
index f8336063b78224d8fb5f4e2a817883c00a3bdf30..21fcf9841c0439672a09ae79803997e078607ce5 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 *.a
 *.cache
+*.gch
 *.la
 *.lo
 *.log