- a few minor bug fixes related to code warnings

- code cleanup based on additional gcc warnings
- enabled additional gcc compiler warnings

source/shared_lib/include/util/gen_uuid.h

@@ -162,6 +162,7 @@ inline static void get_random_info(char seed[16]) {
 
   if (NULL != fp) {
     size_t bytes = fread(seed,sizeof(char),16,fp);
+    if(bytes <= 0) { }
     fclose(fp);
     return;
   }