[Fix] Sentinel notification-script 2nd argument needs quotes.

src/sentinel.c

@@ -756,20 +756,31 @@ void sentinelRunPendingScripts(void) {
         sj->retry_num++;
 
 #ifdef _WIN32
-        PROCESS_INFORMATION pi;
+        /* The notification script is called passing two arguments:
+         * - the first argument doesn't contain spaces
+         * - the second argument contains spaces therefore we quote it */
         char args[1024];
         int j = 0;
         int pos = 0;
         while (sj->argv[j]) {
+            if (j == 2) {
+                memcpy(args + pos, "\"", 1);
+                pos += 1;
+            }
             int arglen = (int) strlen(sj->argv[j]);
             memcpy(args + pos, sj->argv[j], arglen);
             pos += arglen;
-            memcpy(args + pos, " ", 1);
-            pos += 1;
-            j++;
+            if (j == 2) {
+                memcpy(args + pos, "\"\0", 2);
+                break;
+            } else {
+                memcpy(args + pos, " ", 1);
+                pos += 1;
+                j++;
+            }
         }
-        args[pos - 1] = NULL;
 
+        PROCESS_INFORMATION pi;
         STARTUPINFO si;
         ZeroMemory(&si, sizeof(si));
         si.cb = sizeof(si);