.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.
2016-10-28 19:03:01 +02:00 · 2016-10-28 19:03:01 +02:00 · e50e60b474
parent fa1f250d6f
commit e50e60b474
1 changed files with 1 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1,5 +1,6 @@
 *.a
 *.cache
+*.gch
 *.la
 *.lo
 *.log