Merge pull request #1305 from SpecLad:perf-precomp

cmake/OpenCVModule.cmake

@@ -645,7 +645,7 @@ function(ocv_add_perf_tests)
         set(OPENCV_PERF_${the_module}_SOURCES ${perf_srcs} ${perf_hdrs})
       endif()
 
-      get_native_precompiled_header(${the_target} test_precomp.hpp)
+      get_native_precompiled_header(${the_target} perf_precomp.hpp)
 
       add_executable(${the_target} ${OPENCV_PERF_${the_module}_SOURCES} ${${the_target}_pch})
       target_link_libraries(${the_target} ${OPENCV_MODULE_${the_module}_DEPS} ${perf_deps} ${OPENCV_LINKER_LIBS})