freedreno: Use the right amount of &'s

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5176>
diff --git a/src/gallium/drivers/freedreno/freedreno_context.c b/src/gallium/drivers/freedreno/freedreno_context.c
index 9a27a95..c45a158 100644
--- a/src/gallium/drivers/freedreno/freedreno_context.c
+++ b/src/gallium/drivers/freedreno/freedreno_context.c
@@ -438,7 +438,7 @@
 	}
 
 #if DETECT_OS_ANDROID
-	if (fd_mesa_debug && FD_DBG_LOG) {
+	if (fd_mesa_debug & FD_DBG_LOG) {
 		static unsigned idx = 0;
 		char *p;
 		asprintf(&p, "/data/fdlog/%s-%d.log", util_get_process_name(), idx++);