curl: proto2num: make sure obuf is inited

Detected by Coverity. CID 1507052.

Closes #9096

diff --git a/src/tool_paramhlp.c b/src/tool_paramhlp.c
index 188d6a1da5daead1fe8391cab4b7f917eec27330..71c738594da63bb77ce71cb2e61a7d0bc37bf155 100644 (file)
--- a/src/tool_paramhlp.c
+++ b/src/tool_paramhlp.c
@@ -291,7 +291,7 @@ ParameterError proto2num(struct OperationConfig *config,
   char *buffer;
   const char *sep = ",";
   char *token;
-  char obuf[256];
+  char obuf[256] = "";
   size_t olen = sizeof(obuf);
   char *optr;
   struct sprotos const *pp;