address cppcheck warnings

Change-Id: I9cc54287492f39ff2fbd65b483c7779dc2a7cc65

Author: rdementi

src/pcm-numa.cpp

@@ -123,6 +123,11 @@ int main(int argc, char * argv[])
         {
             argv++;
             argc--;
+            if (*argv == nullptr)
+            {
+                continue;
+            }
+            else
             if (strncmp(*argv, "--help", 6) == 0 ||
                 strncmp(*argv, "-h", 2) == 0 ||
                 strncmp(*argv, "/h", 2) == 0)

src/pcm-tsx.cpp

@@ -309,6 +309,11 @@ int main(int argc, char * argv[])
         {
             argv++;
             argc--;
+            if (*argv == nullptr)
+            {
+                continue;
+            }
+            else
             if (strncmp(*argv, "--help", 6) == 0 ||
                 strncmp(*argv, "-h", 2) == 0 ||
                 strncmp(*argv, "/h", 2) == 0)