Omit "int" when using "unsigned" modifier

Source/platform/text/UnicodeRange.cpp

 /*
  * Copyright (C) 2007 Apple Computer, Inc.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
@@ skipping 409 matching lines @@
 };
 
 // A two level index is almost enough for locating a range, with the
 // exception of u03xx and u05xx. Since we don't really care about range for
 // combining diacritical marks in our font application, they are
 // not discriminated further.  Future adoption of this method for other use
 // should be aware of this limitation. The implementation can be extended if
 // there is such a need.
 // For Indic, Southeast Asian scripts and some other scripts between
 // U+0700 and U+16FF, it's extended to the third level.
-unsigned int findCharUnicodeRange(UChar32 ch)
+unsigned findCharUnicodeRange(UChar32 ch)
 {
     if (ch >= 0xFFFF)
         return 0;
 
-    unsigned int range;
+    unsigned range;
 
     //search the first table
     range = gUnicodeSubrangeTable[0][ch >> 12];
 
     if (range < cRangeTableBase)
         // we try to get a specific range
         return range;
 
     // otherwise, we have one more table to look at
     range = gUnicodeSubrangeTable[range - cRangeTableBase][(ch & 0x0f00) >> 8];
     if (range < cRangeTableBase)
         return range;
     if (range < cRangeTertiaryTable)
         return gUnicodeSubrangeTable[range - cRangeTableBase][(ch & 0x00f0) >> 4];
 
     // Yet another table to look at : U+0700 - U+16FF : 128 code point blocks
     return gUnicodeTertiaryRangeTable[(ch - 0x0700) >> 7];
 }
 
 const char* langGroupFromUnicodeRange(unsigned char unicodeRange)
 {
     if (cRangeSpecificItemNum > unicodeRange)
         return gUnicodeRangeToLangGroupTable[unicodeRange];
     return 0;
 }
 
 }