Multires: Use more clear naming

There are so many reshapes now, and one more is to come.
Better be explicit.

source/blender/blenkernel/BKE_multires.h

@@ -116,7 +116,7 @@ int mdisp_rot_face_to_crn(struct MVert *mvert, struct MPoly *mpoly, struct MLoop
 
 /* Reshaping, define in multires_reshape.c */
 
-bool multiresModifier_reshape(
+bool multiresModifier_reshapeFromObject(
         struct Depsgraph *depsgraph,
         struct MultiresModifierData *mmd,
         struct Object *dst,

source/blender/blenkernel/intern/multires_reshape.c

@@ -435,7 +435,7 @@ static void multires_reshape_init_mmd(MultiresModifierData *reshape_mmd,
  * This function might fail in cases like source and destination not having
  * matched amount of vertices.
  */
-bool multiresModifier_reshape(
+bool multiresModifier_reshapeFromObject(
         struct Depsgraph *depsgraph,
         MultiresModifierData *mmd,
         Object *dst,

source/blender/editors/object/object_modifier.c

@@ -1274,7 +1274,7 @@ static int multires_reshape_exec(bContext *C, wmOperator *op)
 		return OPERATOR_CANCELLED;
 	}
 
-	if (!multiresModifier_reshape(depsgraph, mmd, ob, secondob)) {
+	if (!multiresModifier_reshapeFromObject(depsgraph, mmd, ob, secondob)) {
 		BKE_report(op->reports, RPT_ERROR, "Objects do not have the same number of vertices");
 		return OPERATOR_CANCELLED;
 	}