Reduce size of local char variables

tasks/task_overlay.c

@@ -71,7 +71,7 @@ static void task_overlay_load_desc_image(
       struct overlay *input_overlay,
       unsigned ol_idx, unsigned desc_idx)
 {
-   char overlay_desc_image_key[64];
+   char overlay_desc_image_key[32];
    char image_path[PATH_MAX_LENGTH];
    config_file_t              *conf = loader->conf;
 
@@ -114,9 +114,9 @@ static bool task_overlay_load_desc(
       bool normalized, float alpha_mod, float range_mod)
 {
    float width_mod, height_mod;
-   char overlay_desc_key[64];
-   char conf_key[64];
-   char overlay_desc_normalized_key[64];
+   char conf_key[32];
+   char overlay_desc_key[32];
+   char overlay_desc_normalized_key[32];
    char overlay[256];
    float tmp_float                      = 0.0f;
    bool tmp_bool                        = false;
@@ -129,8 +129,10 @@ static bool task_overlay_load_desc(
    const char *box                      = NULL;
    config_file_t *conf                  = loader->conf;
 
-   overlay_desc_key[0] = conf_key[0] =
-      overlay_desc_normalized_key[0] = overlay[0] = '\0';
+   overlay_desc_key[0]                  = 
+      conf_key[0]                       =
+      overlay_desc_normalized_key[0]    = 
+      overlay[0]                        = '\0';
 
    snprintf(overlay_desc_key, sizeof(overlay_desc_key),
          "overlay%u_desc%u", ol_idx, desc_idx);
@@ -482,9 +484,9 @@ static void task_overlay_deferred_load(retro_task_t *task)
 
    for (i = 0; i < loader->pos_increment; i++, loader->pos++)
    {
+      char conf_key[32];
+      char overlay_full_screen_key[32];
       char tmp_str[PATH_MAX_LENGTH];
-      char conf_key[64];
-      char overlay_full_screen_key[64];
       float tmp_float                   = 0.0;
       bool tmp_bool                     = false;
       struct texture_image *texture_img = NULL;