fixincludes: Avoid removing '.'.

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        * fixincludes: Avoid removing '.'.
        * fixinc/fixinc.svr4: Likewise.
        * fixinc/fixinc.winnt: Likewise.
        * fixinc/inclhack.tpl: Likewise.
        * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.

From-SVN: r27439

gcc/fixincludes

@@ -3242,7 +3242,7 @@ find . -name DONE -exec rm -f '{}' ';'
 
 echo 'Removing unneeded directories:'
 cd $LIB
-files=`find . -type d -print | sort -r`
+files=`find . -type d \! -name '.' -print | sort -r`
 for file in $files; do
   rmdir $LIB/$file > /dev/null 2>&1
 done