[appveyor] move installation to install section

appveyor.yml

@@ -38,12 +38,12 @@ install:
   - if [%COMPILER%]==[clang-cl] conda config --add channels conda-forge --force
   - if [%COMPILER%]==[clang-cl] conda install --yes clangdev ninja cmake
   - if [%COMPILER%]==[clang-cl] call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
+  - pip install -q git+https://github.com/xoviat/clcache.git@findCompiler
 
 before_build:
   - echo Running cmake...
   - cd c:\projects\OpenBLAS
   - set CLCACHE_CL=%COMPILER%
-  - pip install -q git+https://github.com/xoviat/clcache.git@findCompiler
   - if [%COMPILER%]==[cl] cmake -G "Visual Studio 12 Win64" -DCMAKE_CXX_COMPILER=clcache -DCMAKE_C_COMPILER=clcache .
   - if [%COMPILER%]==[clang-cl] cmake -G "Ninja" -DCMAKE_CXX_COMPILER=clcache -DCMAKE_C_COMPILER=clcache .
   - if [%DYNAMIC_ARCH%]==[ON] cmake -DDYNAMIC_ARCH=ON .