Move lock_rec_find_set_bit() and lock_rec_get_prev() from

lock/lock0lock.c to include/lock0priv.h and make them non-static.
They will be used in lock/lock0iter.c.

Approved by:	Heikki

include/lock0priv.h

 /******************************************************
-Definition of the lock module internal structures.
+Lock module internal structures and methods.
 
 (c) 2007 Innobase Oy
 
@@ -63,4 +63,26 @@ struct lock_struct {
 	} un_member;
 };
 
+/**************************************************************************
+Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED,
+if none found. */
+
+ulint
+lock_rec_find_set_bit(
+/*==================*/
+			/* out: bit index == heap number of the record, or
+			ULINT_UNDEFINED if none found */
+	lock_t*	lock);	/* in: record lock with at least one bit set */
+
+/*************************************************************************
+Gets the previous record lock set on a record. */
+
+lock_t*
+lock_rec_get_prev(
+/*==============*/
+			/* out: previous lock on the same record, NULL if
+			none exists */
+	lock_t*	in_lock,/* in: record lock */
+	ulint	heap_no);/* in: heap number of the record */
+
 #endif /* lock0priv_h */

lock/lock0lock.c

@@ -1065,7 +1065,7 @@ lock_rec_set_nth_bit(
 /**************************************************************************
 Looks for a set bit in a record lock bitmap. Returns ULINT_UNDEFINED,
 if none found. */
-static
+
 ulint
 lock_rec_find_set_bit(
 /*==================*/
@@ -1357,7 +1357,7 @@ lock_rec_copy(
 
 /*************************************************************************
 Gets the previous record lock set on a record. */
-static
+
 lock_t*
 lock_rec_get_prev(
 /*==============*/