Store patch file line in the file name

It's more consistent with how it's stored for all other entries in the stack

include/link/section.h

@@ -26,7 +26,6 @@ struct AttachedSymbol {
 
 struct Patch {
 	char *fileName;
-	int32_t lineNo;
 	int32_t offset;
 	enum PatchType type;
 	int32_t rpnSize;

include/linkdefs.h

@@ -14,7 +14,7 @@
 
 #define RGBDS_OBJECT_VERSION_STRING "RGB%1hhu"
 #define RGBDS_OBJECT_VERSION_NUMBER (uint8_t)9
-#define RGBDS_OBJECT_REV 0
+#define RGBDS_OBJECT_REV 1
 
 enum RPNCommand {
 	RPN_ADD		= 0x00,