Turn cache_invalid_write() static

It's only used in this file, and otherwise the missing prototype
produces a compiler warning.

1 files changed, 1 insertions, 1 deletions

diff --git a/cache.c b/cache.c
index 34a87ca..b0a0332 100644
--- a/cache.c
+++ b/cache.c
@@ -116,7 +116,7 @@ void cache_invalidate(const char *path)
 	pthread_mutex_unlock(&cache.lock);
 }
 
-void cache_invalidate_write(const char *path)
+static void cache_invalidate_write(const char *path)
 {
 	pthread_mutex_lock(&cache.lock);
 	cache_purge(path);