Make check_version function return type int, not uint32_t. It returns -1 on error.

src/common/slurm_protocol_util.c

@@ -40,7 +40,7 @@
  * IN header - the message header received
  * RET - SLURM error code
  */
-uint32_t check_header_version(header_t * header)
+int check_header_version(header_t * header)
 {
 	if (header->version != SLURM_PROTOCOL_VERSION) {
 		debug("Invalid Protocol Version %d", header->version);

src/common/slurm_protocol_util.h

@@ -52,7 +52,7 @@
  * IN header - the message header received
  * RET - SLURM error code
  */
-extern uint32_t check_header_version(header_t * header);
+extern int check_header_version(header_t * header);
 
 /*
  * init_header - simple function to create a header, always insuring that