release: twrp 3.7.0 a12.1

Change-Id: I36d9c7500e146788218379e49fd511a1e6bf3f82
diff --git a/variables.h b/variables.h
index 89c7c57..06f3547 100755
--- a/variables.h
+++ b/variables.h
@@ -17,7 +17,7 @@
 #ifndef _VARIABLES_HEADER_
 #define _VARIABLES_HEADER_
 
-#define TW_MAIN_VERSION_STR       "3.6.2_12"
+#define TW_MAIN_VERSION_STR       "3.7.0_12"
 #define TW_VERSION_STR TW_MAIN_VERSION_STR TW_DEVICE_VERSION
 #define TW_SETTINGS_FILE            ".twrps"
 #define TW_RECOVERY_NAME            "TWRP"