use searchFile to find dictionaries

client/fileutils.c

@@ -523,7 +523,7 @@ int loadFileDICTIONARY(const char *preferredName, void *data, size_t *datalen, u
 
 
     if (data == NULL) return 1;
-    char *fileName = filenamemcopy(preferredName, ".dic");
+    char *fileName = searchFile(DICTIONARIES_SUBDIR, ".dic", preferredName);
     if (fileName == NULL) return 1;
 
     // t5577 == 4bytes

include/common.h

@@ -27,6 +27,7 @@
 #define PM3_USER_DIRECTORY "/.proxmark3/"
 
 // PM3 subdirectories:
+#define DICTIONARIES_SUBDIR "dictionaries/"
 #define LUA_LIBRARIES_SUBDIR "lualibs/"
 #define LUA_SCRIPTS_SUBDIR   "luascripts/"