bindings/perl-shared/RRDs.xs: fix Coverity CID#32428 Uninitialized pointer read

        CWE-457 / https://cwe.mitre.org/data/definitions/457.html

diff --git a/bindings/perl-shared/RRDs.xs b/bindings/perl-shared/RRDs.xs
index c0ef385fb2493a2f1325051aaafb9ed8c5588701..5403f033314dbc070df95af33f2a74351a0f3cde 100644 (file)
--- a/bindings/perl-shared/RRDs.xs
+++ b/bindings/perl-shared/RRDs.xs
@@ -134,7 +134,7 @@ static int rrd_fetch_cb_wrapper(
     HE *retHE;
     AV *retAV;
     time_t new_start,new_end;
-    char *cfStr;
+    char *cfStr = NULL;
     unsigned long i,ii;
     unsigned long rowCount = 0;
     if (!rrd_fetch_cb_svptr){