diff -r 853685152c1d -r dd0ae1c62a72 ui/common/properties.c
--- a/ui/common/properties.c	Sun Nov 12 12:03:50 2017 +0100
+++ b/ui/common/properties.c	Thu Nov 16 12:04:10 2017 +0100
@@ -183,7 +183,7 @@
 
 
 
-static char* uic_concat_path(char *base, char *p, char *ext) {
+static char* uic_concat_path(const char *base, const char *p, const char *ext) {
     size_t baselen = strlen(base);
     
     UcxBuffer *buf = ucx_buffer_new(NULL, 32, UCX_BUFFER_AUTOEXTEND);
@@ -213,7 +213,7 @@
     pixmaps_dir = path;
 }
 
-char* uic_get_image_path(char *imgfilename) {
+char* uic_get_image_path(const char *imgfilename) {
     if(pixmaps_dir) {
         return uic_concat_path(pixmaps_dir, imgfilename, NULL);
     } else {
@@ -262,7 +262,7 @@
 
 #endif
 
-int uic_load_language_file(char *path) {
+int uic_load_language_file(const char *path) {
     UcxMap *lang = ucx_map_new(256);
     
     FILE *file = fopen(path, "r");