patch 8.1.1034: too many #ifdefs

Problem:    Too many #ifdefs.
Solution:   Merge FEAT_MOUSE_SGR into FEAT_MOUSE_XTERM / FEAT_MOUSE_TTY.
diff --git a/src/version.c b/src/version.c
index 277c842..9114570 100644
--- a/src/version.c
+++ b/src/version.c
@@ -426,7 +426,7 @@
 #endif
 
 #if defined(UNIX) || defined(VMS)
-# ifdef FEAT_MOUSE_SGR
+# ifdef FEAT_MOUSE_XTERM
 	"+mouse_sgr",
 # else
 	"-mouse_sgr",
@@ -780,6 +780,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1034,
+/**/
     1033,
 /**/
     1032,