Recovery: make STRINGIFY take multiple arguments

    this is needed when the variable being processed contains a comma

Change-Id: Iaae5fe123d8661c73ff3d13ac70630be852f13b4
diff --git a/twcommon.h b/twcommon.h
index 0895428..0455fc6 100644
--- a/twcommon.h
+++ b/twcommon.h
@@ -34,7 +34,7 @@
 #define gui_print(...) printf( __VA_ARGS__ )
 #endif
 
-#define STRINGIFY(x) #x
+#define STRINGIFY(x...) #x
 #define EXPAND(x) STRINGIFY(x)
 
 #ifdef __cplusplus
diff --git a/twrpinstall/include/common.h b/twrpinstall/include/common.h
index e82bec3..1d1f61c 100755
--- a/twrpinstall/include/common.h
+++ b/twrpinstall/include/common.h
@@ -34,7 +34,7 @@
 #define LOGD(...) do {} while (0)
 #endif
 
-#define STRINGIFY(x) #x
+#define STRINGIFY(x...) #x
 #define EXPAND(x) STRINGIFY(x)
 
 // Not using the command-line defined macro here because this header could be included by