[appveyor] set branch

appveyor.yml

@@ -40,7 +40,7 @@ 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
+  - pip install -q git+https://github.com/xoviat/clcache.git@assembly
 
 before_build:
   - echo Running cmake...