1. many, many, many warnings fixed (from HP-UX build log; 50% are still left)

2. attempt (failed) at compiling wxGTK with GTK+ 1.3.0


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5152 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/log.cpp

@@ -535,7 +535,7 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
     wxConvCurrent->MB2WC(s_szBuf, strerror(nErrCode), WXSIZEOF(s_szBuf) -1);
     return s_szBuf;
 #else
-    return strerror(nErrCode);
+    return strerror((int)nErrCode);
 #endif
 #endif  // Win/Unix
 }