[db] Refactor db_query_fetch_* functions to take the output parameter

first and the input parameter as last parameter

src/library/filescanner.c

@@ -1909,7 +1909,7 @@ playlist_add_files(FILE *fp, int pl_id, const char *virtual_path)
 
   if (qp.results > 0)
     {
-      while ((ret = db_query_fetch_file(&qp, &dbmfi)) == 0)
+      while ((ret = db_query_fetch_file(&dbmfi, &qp)) == 0)
         {
 	  if ((safe_atou32(dbmfi.data_kind, &data_kind) < 0)
 	      || (data_kind == DATA_KIND_PIPE))

src/library/filescanner_itunes.c

@@ -390,7 +390,7 @@ mfi_id_find(const char *path)
 
   winner = NULL;
   score = 0;
-  while ((db_query_fetch_string(&qp, &dbpath) == 0) && dbpath)
+  while ((db_query_fetch_string(&dbpath, &qp) == 0) && dbpath)
     {
       if (qp.results == 1)
 	{

src/library/filescanner_playlist.c

@@ -317,7 +317,7 @@ process_regular_file(int pl_id, char *path)
 
   winner = NULL;
   score = 0;
-  while ((db_query_fetch_string(&qp, &dbpath) == 0) && dbpath)
+  while ((db_query_fetch_string(&dbpath, &qp) == 0) && dbpath)
     {
       if (qp.results == 1)
 	{

src/library/rssscanner.c

@@ -568,7 +568,7 @@ rss_scan_all(enum rss_scan_type scan_type)
     }
 
   count = 0;
-  while (((ret = db_query_fetch_pl(&qp, &dbpli)) == 0) && (dbpli.path))
+  while (((ret = db_query_fetch_pl(&dbpli, &qp)) == 0) && (dbpli.path))
     {
       ret = rss_scan(dbpli.path, scan_type);
       if (ret == 0)

src/library/spotify_webapi.c

@@ -1508,7 +1508,7 @@ cleanup_spotify_files(void)
       return -1;
     }
 
-  while (((ret = db_query_fetch_string(&qp, &path)) == 0) && (path))
+  while (((ret = db_query_fetch_string(&path, &qp)) == 0) && (path))
     {
       cache_artwork_delete_by_path(path);
     }