Define MAXPATHLEN to be 1024 if it hasn't already been defined. Fix for SCO. a=cyeh.

git-svn-id: svn://10.0.0.236/trunk@39019 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/xpcom/io/nsFileSpecUnix.cpp

@@ -54,6 +54,10 @@
 #else
 #define STATFS	statfs
 #endif
+
+#ifndef MAXPATHLEN
+#define MAXPATHLEN	1024  /* Guessing this is okay.  Works for SCO. */
+#endif
  
 #if defined(SUNOS4)
 extern "C" int statfs(char *, struct statfs *);