Enabled previously disabled -Wno-unused-parameter and -Wno-cast-function-type warnings

Author: aobolensk

cmake/configure.cmake

@@ -43,7 +43,6 @@ if(UNIX)
       "${COMMON_COMPILER_FLAGS}            \
         -Wall -Wextra                      \
         -Wno-unused-parameter              \
-        -Wno-cast-function-type            \
         -Wsign-compare")
   if(NOT APPLE)
     set(COMMON_COMPILER_FLAGS