Fix PJLIB on WinCE:
- Added CPU and OS autodetection feature in config.h. 
  For target CPU type, now we don't need to specify PJ_M_*
  anymore.
- Fix stricmp_alnum() link error on WinCE
- Exclude error message test on WincE, since WinCE doesn't
  have full error reporting capability as Win32.



git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@640 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/include/pj/compat/string.h b/pjlib/include/pj/compat/string.h
index 2de20fc..ca14bc7 100644
--- a/pjlib/include/pj/compat/string.h
+++ b/pjlib/include/pj/compat/string.h
@@ -37,6 +37,11 @@
 /* For sprintf family */
 #include <stdio.h>
 
+/* On WinCE, string stuffs are declared in stdlib.h */
+#if defined(PJ_HAS_STDLIB_H) && PJ_HAS_STDLIB_H!=0
+#   include <stdlib.h>
+#endif
+
 #if defined(_MSC_VER)
 #   define strcasecmp	_stricmp
 #   define strncasecmp	_strnicmp