Mark tm_get_real_path with G_DEPRECATED_FOR

This will allow the compiler to notify any callers that it's deprecated.
The macro is guarded-out for when Geany is compiling so it won't cause
warnings when tagmanager uses it internally and for the utils_ wrapper.

src/tagmanager/tm_source_file.c

@@ -115,7 +115,7 @@ static char *realpath (const char *pathname, char *resolved_path)
  of the file.
  @param file_name The original file_name
  @return A newly allocated string containing the real path to the file. NULL if none is available.
- @deprecated since 1.29 (ABI 230)
+ @deprecated since 1.32 (ABI 235)
  @see utils_get_real_path()
 */
 GEANY_API_SYMBOL

src/tagmanager/tm_source_file.h

@@ -42,7 +42,11 @@ TMSourceFile *tm_source_file_new(const char *file_name, const char *name);
 
 void tm_source_file_free(TMSourceFile *source_file);
 
-gchar *tm_get_real_path(const gchar *file_name);
+gchar *tm_get_real_path(const gchar *file_name)
+#ifndef GEANY_PRIVATE
+G_DEPRECATED_FOR(utils_get_real_path)
+#endif
+;
 
 #ifdef GEANY_PRIVATE
 

src/utils.c

@@ -2196,7 +2196,7 @@ void utils_start_new_geany_instance(const gchar *doc_path)
  * should be freed with `g_free()` when no longer needed, or @c NULL
  * if the real path cannot be obtained.
  *
- * @since 1.29 (API 230)
+ * @since 1.32 (API 235)
  */
 GEANY_API_SYMBOL
 gchar *utils_get_real_path(const gchar *file_name)