target: change working area free data type

We only use the struct working_area member 'free' as a
true/false type so might as well use a bool data type.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/target/target.h b/src/target/target.h
index ef05e751..4d03018e 100644
--- a/src/target/target.h
+++ b/src/target/target.h
@@ -94,7 +94,7 @@ struct working_area
 {
 	uint32_t address;
 	uint32_t size;
-	int free;
+	bool free;
 	uint8_t *backup;
 	struct working_area **user;
 	struct working_area *next;