fix bug 213012, unescape %2E during path coalescing, r=dveditz@netscape.com, sr=darin@meer.net

netwerk/base/src/nsURLHelper.cpp

@@ -234,6 +234,34 @@ net_CoalesceDirs(netCoalesceFlags flags, char* path)
             special_ftp_len = 2; 
     }
 
+    /* replace all %2E or %2e with . in the path */ 
+    for(; (*fwdPtr != '\0') && 
+            (*fwdPtr != '?') && 
+            (*fwdPtr != '#'); ++fwdPtr)
+    {
+        if (*fwdPtr == '%' && *(fwdPtr+1) == '2' && 
+            (*(fwdPtr+2) == 'E' || *(fwdPtr+2) == 'e'))
+        {
+            *urlPtr++ = '.';
+            ++fwdPtr;
+            ++fwdPtr;
+        } 
+        else 
+        {
+            *urlPtr++ = *fwdPtr;
+        }
+    }
+    // Copy remaining stuff past the #?;
+    for (; *fwdPtr != '\0'; ++fwdPtr)
+    {
+        *urlPtr++ = *fwdPtr;
+    }
+    *urlPtr = '\0';  // terminate the url 
+
+    // start again, this time for real 
+    fwdPtr = path;
+    urlPtr = path;
+
     for(; (*fwdPtr != '\0') && 
             (*fwdPtr != '?') && 
             (*fwdPtr != '#'); ++fwdPtr)