Fixed PCH warning during ARM crosscompilation

cmake/OpenCVPCHSupport.cmake

@@ -169,9 +169,9 @@ MACRO(_PCH_GET_TARGET_COMPILE_FLAGS _cflags  _header_name _pch_path _dowarn )
         # if you have different versions of the headers for different build types
         # you may set _pch_dowarn
         IF (_dowarn)
-            SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include \"${CMAKE_CURRENT_BINARY_DIR}/${_header_name}\" -Winvalid-pch " )
+            SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -Winvalid-pch " )
         ELSE (_dowarn)
-            SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} -include \"${CMAKE_CURRENT_BINARY_DIR}/${_header_name}\" " )
+            SET(${_cflags} "${PCH_ADDITIONAL_COMPILER_FLAGS} " )
         ENDIF (_dowarn)
 
     ELSE(CMAKE_COMPILER_IS_GNUCXX)