Fix version number.
https://github.com/cc65/cc65/commit/cffcbce60fc41d26c25891edc8992e23a4a8d4c9
--- src/common/version.c.orig
+++ src/common/version.c
@@ -47,7 +47,7 @@
 
 
 #define VER_MAJOR       2U
-#define VER_MINOR       18U
+#define VER_MINOR       19U