make sure tx_stick_names is in ROM

Author: howard0su

src/inputs.c

@@ -111,7 +111,7 @@
 #define BUTNAME_ENTER       _tr("Enter")
 #define BUTNAME_EXIT        _tr("Exit")
 
-const char *tx_stick_names[4] = {
+const char * const tx_stick_names[4] = {
     _tr_noop("RIGHT_H"),
     _tr_noop("LEFT_V"),
     _tr_noop("RIGHT_V"),

src/mixer.h

@@ -93,7 +93,7 @@ struct Curve {
 };
 
 //The followingis defined bythe target
-extern const char *tx_stick_names[4];
+extern const char *const tx_stick_names[4];
 
 enum TemplateType {
     MIXERTEMPLATE_NONE,