patch 9.0.1426: indent wrong after "export namespace" in C++

Problem:    Indent wrong after "export namespace" in C++.
Solution:   Skip over "inline" and "export" in any order. (Virginia Senioria,
            closes #12134, closes #12133)

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1426,
 /**/
     1425,
 /**/