3.0: fix support for MPIEXEC_TIMEOUT

linter fix for comparison of int to uint resulted in MPIEXEC_TIMEOUT env being ignored

bot:notacherrypick

Signed-off-by: Min RK <benjaminrk@gmail.com>

src/tools/prte/prte.c

@@ -256,7 +256,7 @@ int main(int argc, char *argv[])
     pmix_info_t *iptr, *iptr2, info;
     pmix_status_t ret;
     bool flag;
-    size_t n, m, ninfo, param_len;
+    size_t n, ninfo, param_len;
     pmix_app_t *papps;
     size_t napps;
     mylock_t mylock;
@@ -1085,11 +1085,11 @@ int main(int argc, char *argv[])
     opt = pmix_cmd_line_get_param(&results, PRTE_CLI_TIMEOUT);
     if (NULL != opt || NULL != (timeoutenv = getenv("MPIEXEC_TIMEOUT"))) {
         if (NULL != timeoutenv) {
-            m = strtoul(timeoutenv, NULL, 10);
+            i = strtol(timeoutenv, NULL, 10);
             /* both cannot be present, or they must agree */
             if (NULL != opt) {
-                n = strtoul(opt->values[0], NULL, 10);
-                if (m != n) {
+                n = strtol(opt->values[0], NULL, 10);
+                if (i != (int)n) {
                     pmix_show_help("help-prun.txt", "prun:timeoutconflict", false,
                                    prte_tool_basename, n, timeoutenv);
                     PRTE_UPDATE_EXIT_STATUS(1);