update osgeo4w setup: 703RC1 released

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@67540 15284696-431f-4ddb-bdfa-cd5b030d7da7

mswindows/osgeo4w/setup.hint

@@ -3,5 +3,5 @@ ldesc: "Geographic Resources Analysis Support System (GRASS GIS) - stable releas
 category: Desktop
 requires: liblas avce00 gpsbabel gs gdal-python matplotlib msvcrt iconv libtiff gdal proj freetype-mingw pdcurses zlib fftw libpng wxpython python-numpy python-pil pyopengl cairo psycopg2
 maintainer: MartinLanda
-curr: 7.0.2-1
+curr: 7.0.3RC1-1
 prev: 7.0.2-1