[api] Error logging if modules can't be found

src/libpostal.c

@@ -739,14 +739,17 @@ char **expand_address(char *input, normalize_options_t options, uint64_t *n) {
 
 bool libpostal_setup(void) {
     if (!transliteration_module_setup(DEFAULT_TRANSLITERATION_PATH)) {
+        log_error("Error loading transliteration module at %s\n", DEFAULT_TRANSLITERATION_PATH);
         return false;
     }
 
     if (!numex_module_setup(DEFAULT_NUMEX_PATH)) {
+        log_error("Error loading numex module\n");
         return false;
     }
 
     if (!address_dictionary_module_setup()) {
+        log_error("Error loading dictionary module\n");
         return false;
     }