tree-flow.h: Remove some prototypes.

tree-flow.h: Remove some prototypes.

2013-10-02  Andrew MacLeod  <amacleod@redhat.com>

	* tree-flow.h: Remove some prototypes.
	* gimple-fold.h: Add prototypes from gimple.h and tree-flow.h.
	* tree-ssa-propagate.h: Relocate prototypes from tree-flow.h.
	* tree-ssa-copy.c (may_propagate*, propagate_value, replace_exp,
	propagate_tree_value*): Move from here to...
	* tree-ssa-propagate.c (may_propagate*, propagate_value, replace_exp,
	propagate_tree_value*): Relocate here.
	* tree-ssa-propagate.h: Relocate prototypes from tree-flow.h.
	* gimple.h: Include gimple-fold.h, move prototypes into gimple-fold.h.
	* gimple-fold.c: Remove gimple-fold.h from include list.
	* tree-vrp.c: Remove gimple-fold.h from include list.
	* tree-ssa-sccvn.c: Remove gimple-fold.h from include list.
	* tree-ssa-ccp.c: Remove gimple-fold.h from include list.
	* tree-scalar-evolution.c: Add tree-ssa-propagate.h to include list.
	* tree-ssa-pre.c: Add tree-ssa-propagate.h to include list.
	* sese.c: Add tree-ssa-propagate.h to include list.

From-SVN: r203118