backout nsCRT.h change. put back nsCRT::strlen(char* s). tree is burning out of control. I swear it builds on my machine! :-( Will need to evaluate and try later

xpcom/ds/nsCRT.h

@@ -130,6 +130,9 @@ public:
    @param s the string in question
    @return the length of s
    */
+  static PRUint32 strlen(const char* s) {                                       
+    return PRUint32(::strlen(s));                                               
+  }                                                                             
 
   /// Compare s1 and s2.
   static PRInt32 strcmp(const char* s1, const char* s2) {