vim: Don't ingore generated configs

Change-Id: I35eeadbd566406f601d11f129cbf0b81595958c3
diff --git a/.gitignore b/.gitignore
index 188636c..259df35 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,14 +11,14 @@
 
 # We do need src/auto/configure.
 src/auto/config.cache
-src/auto/config.h
+# src/auto/config.h
 src/auto/config.log
-src/auto/config.mk
+# src/auto/config.mk
 src/auto/config.status
-src/auto/osdef.h
+# src/auto/osdef.h
 src/auto/link.log
 src/auto/link.sed
-src/auto/pathdef.c
+# src/auto/pathdef.c
 
 # Windows
 *.exe