Fixed release script on Windows following its relocation

release_scripts/windows/release.win7.vc9.bat

@@ -14,6 +14,8 @@ REM You should have received a copy of the GNU General Public License
 REM along with this program.  If not, see <http://www.gnu.org/licenses/>.
 REM ---------------------------------------------------------------------
 
+set SCRIPT_PATH=%~dp0
+set PROJECT_ROOT=%SCRIPT_PATH%\..\..
 
 set APPLICATION_NAME=OpenBoard
 set QT_DIR=C:\Qt\5.5\msvc2010
@@ -25,7 +27,7 @@ set GIT_BIN=%PROGRAMS_FILE_PATH%\Git\bin
 set VS_BIN=%PROGRAMS_FILE_PATH%\Microsoft Visual Studio 10.0\VC\bin
 set WIN_SDK_BIN=%PROGRAMS_FILE_PATH%\Microsoft SDKs\Windows\v6.0A\Bin
 set INNO_EXE=%PROGRAMS_FILE_PATH%\Inno Setup 5\iscc.exe 
-set BUILD_DIR=build\win32\release
+set BUILD_DIR=%PROJECT_ROOT%\build\win32\release
 set LRELEASE=%QT_DIR%\bin\lrelease
 set BASE_QT_TRANSLATIONS_DIRECTORY=%QT_DIR%\translations
 
@@ -35,11 +37,14 @@ call "%VS_BIN%\vcvars32.bat"
 
 echo %PATH%
 
+cd %PROJECT_ROOT%
+
 REM Third party impoter application
 set IMPORTER_NAME=OpenBoardImporter
 set IMPORTER_PATH="..\OpenBoard-Importer"
 
 IF NOT EXIST "%IMPORTER_PATH%" GOTO EXIT_WITH_ERROR
+
 set HOME_DIR="%cd%"
 cd %IMPORTER_PATH%
 IF EXIST "release" (del "release\*.*" /Q)
@@ -96,7 +101,7 @@ del build\win32\release\product\i18n\qt_help*
 del "build\win32\release\product\%APPLICATION_NAME%.pdb"
 
 
-call "%INNO_EXE%" "%APPLICATION_NAME%.iss" /F"%APPLICATION_NAME%_Installer_%VERSION%"
+call "%INNO_EXE%" "%SCRIPT_PATH%\%APPLICATION_NAME%.iss" /F"%APPLICATION_NAME%_Installer_%VERSION%"
 
 GOTO END