patch 9.0.1319: PRQL files are not recognized

Problem:    PRQL files are not recognized.
Solution:   Add a filetype pattern for PRQL files. (Matthias Queitsch,
            closes #12018)
diff --git a/src/version.c b/src/version.c
index bcd24fa..d6cee20 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1319,
+/**/
     1318,
 /**/
     1317,