Replace tabs with spaces in .texi files.

gcc/:
	* doc/extend.texi (Function Attributes, Extended Asm):
	Replace TABs with spaces.
	* doc/md.texi (Standard Names): Likewise.
	* doc/plugins.texi (Plugins): Likewise.

From-SVN: r155264

gcc/ChangeLog

 2009-12-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
+	* doc/extend.texi (Function Attributes, Extended Asm):
+	Replace TABs with spaces.
+	* doc/md.texi (Standard Names): Likewise.
+	* doc/plugins.texi (Plugins): Likewise.
+
 	* doc/c-tree.texi (Expression trees): Use @itemx for all but
 	the first item for merged items.
 	* doc/extend.texi (Variable Attributes): Likewise.