update build.bat

Author: aoym

build.bat

@@ -5,11 +5,11 @@
 :: Edit this line to run the batch file for Qt environment.
 ::
 ::call "C:\Qt\Qt5.6.2-mingw\5.6\mingw49_32\bin\qtenv2.bat"
-::call "C:\Qt\Qt5.7.0-mingw\5.7\mingw53_32\bin\qtenv2.bat"
-call "C:\Qt\Qt5.6.2-msvc2015\5.6\msvc2015_64\bin\qtenv2.bat"
+call "C:\Qt\Qt5.7.0-mingw\5.7\mingw53_32\bin\qtenv2.bat"
+::call "C:\Qt\Qt5.6.2-msvc2015\5.6\msvc2015_64\bin\qtenv2.bat"
 
 ::call "C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\vcvarsall.bat" amd64
-call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
+::call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
 
 cd /D %~dp0
 call compile_install.bat