fix folder name to be recognised by the nsis-script

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@43414 15284696-431f-4ddb-bdfa-cd5b030d7da7

mswindows/GRASS-Packager.bat

@@ -12,7 +12,7 @@ rem ----------------------------------------------------------------------------
 rem Set the script variables
 rem --------------------------------------------------------------------------------------------------------------------------
 
-set PACKAGE_DIR=.\GRASS-70-Dev-Package
+set PACKAGE_DIR=.\GRASS-70-Devel-Package
 
 set OSGEO4W_DIR=c:\osgeo4w