Allow translations (static or dynamic)

radio/src/thirdparty/libopenui/src/filechoice.cpp

@@ -23,8 +23,13 @@
 #include "theme.h"
 #include "message_dialog.h"
 
-extern const char STR_SDCARD[];
-extern const char STR_NO_FILES_ON_SD[];
+#if !defined(STR_SDCARD)
+  #define STR_SDCARD "SD"
+#endif
+
+#if !defined(STR_NO_FILES_ON_SD)
+  #define STR_NO_FILES_ON_SD "No files on SD Card!"
+#endif
 
 FileChoice::FileChoice(FormGroup * parent, const rect_t & rect, std::string folder, const char * extension, int maxlen, std::function<std::string()> getValue, std::function<void(std::string)> setValue):
   ChoiceBase(parent, rect, CHOICE_TYPE_FOLDER),

radio/src/thirdparty/libopenui/src/libopenui_file.h

@@ -23,7 +23,6 @@
 #include <string.h>
 #include <inttypes.h>
 #include "ff.h"
-// #include "libopenui_defines.h"
 
 constexpr uint8_t LEN_FILE_EXTENSION_MAX = 5;  // longest used, including the dot, excluding null term.
 
@@ -32,8 +31,7 @@ bool isExtensionMatching(const char * extension, const char * pattern, char * ma
 FRESULT sdReadDir(DIR * dir, FILINFO * fno, bool & firstTime);
 
 // comparison, not case sensitive.
-inline bool compare_nocase(const std::string &first, const std::string &second)
+inline bool compare_nocase(const std::string & first, const std::string & second)
 {
   return strcasecmp(first.c_str(), second.c_str()) < 0;
 }
-