[Lazarus] Fixes_1_8 branches fails to compile

[Tony Whyman]

After last night's update from svn, my copy of the 1.8 fixes branch 
fails to compile with the following error:

/tmp/lazarus/components/codetools/codecompletiontool.pas(7094,18) Error: 
(5038) identifier idents no member "GetPriorAtom"
codecompletiontool.pas(9802) Fatal: (10026) There were 1 errors 
compiling module, stopping
Fatal: (1018) Compilation aborted
Makefile:2767: recipe for target 'codetools.ppu' failed
make[1]: *** [codetools.ppu] Error 1
make[1]: Leaving directory '/tmp/lazarus/components/codetools'
Makefile:3241: recipe for target 'codetools' failed
make: *** [codetools] Error 2