don't use separate deps for release branches

Author: weltling

appveyor/build_task.bat

@@ -17,9 +17,9 @@ if /i "%APPVEYOR_REPO_BRANCH:~0,4%" equ "php-" (
 	set BRANCH=master
 	set STABILITY=staging
 )
-set DEPS_DIR=%PHP_BUILD_CACHE_BASE_DIR%\deps-%PHP_SDK_VC%-%PHP_SDK_ARCH%-%APPVEYOR_REPO_BRANCH%
+set DEPS_DIR=%PHP_BUILD_CACHE_BASE_DIR%\deps-%PHP_SDK_VC%-%PHP_SDK_ARCH%-%BRANCH%
 rem SDK is cached, deps info is cached as well
-echo Updating dependencies
+echo Updating dependencies in %DEPS_DIR%
 call phpsdk_deps --update --branch %BRANCH% --stability %STABILITY% --deps %DEPS_DIR%
 if %errorlevel% neq 0 exit /b 3