Add /config.cache to .gitignore in back branches

For some reason config.cache was not being git-ignored in these back
branches.

Backpatch-through: 9.2 to 9.4

diff --git a/.gitignore b/.gitignore
index 1e15ce5fc108434324ffc5a3373623f7c33b503c..d7c06df2932e4887aaad58c1e6122d889b7519ea 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@ lib*dll.def
 
 # Local excludes in root directory
 /GNUmakefile
+/config.cache
 /config.log
 /config.status
 /pgsql.sln