patch 8.1.0617: NSIS installer gets two files from the wrong directory

Problem:    NSIS installer gets two files from the wrong directory.
Solution:   Change ${VIMRT} to "..\".

Author: brammool

nsis/gvim.nsi

@@ -327,8 +327,8 @@ Section "$(str_section_exe)" id_section_exe
 	File ${VIMSRC}\vimrun.exe
 	File /oname=tee.exe ${VIMSRC}\teew32.exe
 	File /oname=xxd.exe ${VIMSRC}\xxdw32.exe
-	File ${VIMRT}\vimtutor.bat
-	File ${VIMRT}\README.txt
+	File ..\vimtutor.bat
+	File ..\README.txt
 	File ..\uninstal.txt
 	File ${VIMRT}\*.vim
 	File ${VIMRT}\rgb.txt

src/version.c

@@ -799,6 +799,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    617,
 /**/
     616,
 /**/