When on Windows systems, use ";" as a path delimiter

This commit was SVN r4125.

src/mca/base/mca_base_component_find.c

@@ -193,7 +193,11 @@ static void find_dyn_components(const char *path, const char *type_name,
   dir = path_to_use;
   if (NULL != dir) {
     do {
+#ifdef WIN32
+      end = strchr(dir, ';');
+#else
       end = strchr(dir, ':');
+#endif
       if (NULL != end) {
         *end = '\0';
       }

src/mca/base/mca_base_open.c

@@ -60,7 +60,11 @@ int mca_base_open(void)
 
   /* Register some params */
 
+#ifdef WIN32
+  asprintf(&value, "%s;~/.openmpi/components", OMPI_PKGLIBDIR);
+#else
   asprintf(&value, "%s:~/.openmpi/components", OMPI_PKGLIBDIR);
+#endif
   mca_base_param_component_path = 
     mca_base_param_register_string("base", NULL, "component_path",
                                    "component_path", value);