Update GCC-based tools to versions built using GCC 4

Detail:
  GNU/diff,ff8 - Updated to binary built from diff-1_18 sources
  GNU/gawk,ff8 - Updated to binary built from gawk-0_02 sources
  Unix/Sed,ff8 - Updated to binary built from sed-0_02 sources
  Unix/grep,ff8 - Updated to binary built from grep-0_02 sources
  Unix/wc,ff8 - Updated to binary built from textutils-0_01 sources
Admin:
  Tested with ROM + disc builds on BB-xM
  Build system is now fully ARMv7 safe?


Version 1.64. Tagged as 'Library-1_64'

VersionNum

-/* (1.63)
+/* (1.64)
  *
  * This file is automatically maintained by srccommit, do not edit manually.
  * Last processed by srccommit version: 1.1.
  *
  */
-#define Module_MajorVersion_CMHG        1.63
+#define Module_MajorVersion_CMHG        1.64
 #define Module_MinorVersion_CMHG        
-#define Module_Date_CMHG                29 Jul 2013
+#define Module_Date_CMHG                30 Jul 2013
 
-#define Module_MajorVersion             "1.63"
-#define Module_Version                  163
+#define Module_MajorVersion             "1.64"
+#define Module_Version                  164
 #define Module_MinorVersion             ""
-#define Module_Date                     "29 Jul 2013"
+#define Module_Date                     "30 Jul 2013"
 
-#define Module_ApplicationDate          "29-Jul-13"
+#define Module_ApplicationDate          "30-Jul-13"
 
 #define Module_ComponentName            "Library"
 #define Module_ComponentPath            "mixed/RiscOS/Library"
 
-#define Module_FullVersion              "1.63"
-#define Module_HelpVersion              "1.63 (29 Jul 2013)"
-#define Module_LibraryVersionInfo       "1:63"
+#define Module_FullVersion              "1.64"
+#define Module_HelpVersion              "1.64 (30 Jul 2013)"
+#define Module_LibraryVersionInfo       "1:64"