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-rw-r--r--src/util/cleanupdelta.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/util/cleanupdelta.c b/src/util/cleanupdelta.c
index 20102824..a2d1541e 100644
--- a/src/util/cleanupdelta.c
+++ b/src/util/cleanupdelta.c
@@ -37,7 +37,7 @@ static void cleanup(int signum) {
exit(signum);
}
-void output_cb(pmloglevel_t level, char *fmt, va_list args)
+static void output_cb(pmloglevel_t level, char *fmt, va_list args)
{
if(strlen(fmt)) {
switch(level) {