I couldn't figure out why the ConvertMacPathToUnixPath symbol is no longer exported by the NSPR library, so we'll include our implementation in the meantime.

security/manager/ssl/src/nsNSSComponent.cpp

@@ -53,6 +53,26 @@ static nsIStringBundle* gPIPNSSBundle = nsnull;
 
 #ifdef XP_MAC
 extern OSErr ConvertMacPathToUnixPath(const char *macPath, char **unixPath);
+
+OSErr ConvertMacPathToUnixPath(const char *macPath, char **unixPath)
+{
+  PRIntn len;
+  char *cursor;
+  
+  len = PL_strlen(macPath);
+  cursor = (char*)PR_Malloc(len+2);
+  if (!cursor)
+    return memFullErr;
+    
+  memcpy(cursor+1, macPath, len+1);
+  *unixPath = cursor;
+  *cursor = '/';
+  while ((cursor = PL_strchr(cursor, ':')) != NULL) {
+    *cursor = '/';
+    cursor++;
+  }
+  return noErr;
+}
 #endif
 
 static void InitializePIPNSSBundle();