src: address review comments

Signed-off-by: Gaby Baghdadi <baghdadi@ca.ibm.com>

Author: gabylb

src/node_zos.cc

@@ -139,7 +139,7 @@ static void RegisterProduct() {
   if (rc && !credentials::SafeGetenv("NODE_SMF89_SUPPRESS_WARNING", &val)) {
     fprintf(stderr,
             "WARNING: Could not register product with IFAUSAGE, "
-            "rc = %llu\n",
+            "rc = %lu\n",
             rc);
     if (const char* errorString = getIFAUsageErrorString(rc))
       fprintf(stderr, "%s\n", errorString);
@@ -164,7 +164,7 @@ ExitCode zosStart() {
 
   // Create an alternate stack for signal processing
   const unsigned int STACK_SIZE = SIGSTKSZ + 1024 * 1024;
-  galtStack = (char*)malloc(STACK_SIZE);
+  galtStack = reinterpret_cast<char*>(malloc(STACK_SIZE));
   if (galtStack == nullptr) {
     return ExitCode::kGenericUserError;
   }

src/zos_setlibpath.cc

@@ -52,7 +52,7 @@ class __setlibpath {
         if (p == nullptr) {
           fprintf(stderr,
                   "Error: dirname(%s) failed, errno=%d (argv=%s).\n"
-                   "Please report this error to IBM customer support.\n",
+                  "Please report this error to IBM customer support.\n",
                   parent,
                   errno,
                   argv);