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 8e227a226a97127aa9992fc8add4bca5ebffb722..f0b56094f24f6829f34b88ce764df67141cc2e54 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -26,6 +26,7 @@ lib*.pc
 
 # Local excludes in root directory
 /GNUmakefile
+/config.cache
 /config.log
 /config.status
 /pgsql.sln