- fix so that loadModel works fine;

  geez, this was a weird one, libModelicaExternalC.a re-defined (badly) 
  opendir, readdir and some other dirent.h functions, but MinGW already 
  has them. This made SystemImpl__getLoadModelPath to fail.

git-svn-id: https://openmodelica.org/svn/OpenModelica/trunk@11664 f25d12d1-65f4-0310-ae8a-bbce733d8d8e

SimulationRuntime/c/ModelicaExternalC/ModelicaInternal.c

@@ -109,9 +109,13 @@ void ModelicaNotExistError(const char* name) {
 #     include <direct.h>
 #     include <sys/types.h>
 #     include <sys/stat.h>
-
+      #if defined(__MINGW32__) /* mingw has dirent */
+      #include <sys/types.h>
+      #include <dirent.h>
+      #else
       /* include the opendir/readdir/closedir implementation for _WIN32 */
-#     include "win32_dirent.c"
+      #     include "win32_dirent.c"
+#endif
 #  elif defined(_POSIX_)
 #     include <dirent.h>
 #     include <unistd.h>