CMake: Correct formatting to match existing

cMake/FreeCadMacros.cmake

@@ -266,8 +266,8 @@ ENDMACRO(SET_PYTHON_PREFIX_SUFFIX)
 # Locate the include directory for a pip-installed package -- uses pip show to find the base pip
 # install directory, and then appends the package name and  "/include" to the end
 macro(find_pip_package PACKAGE)
-    unset(${PACKAGE}_FOUND)  # Remove from local scope
-    unset(${PACKAGE}_FOUND CACHE)  # Remove from CMake cache (if it exists)
+	unset(${PACKAGE}_FOUND)  # Remove from local scope
+	unset(${PACKAGE}_FOUND CACHE)  # Remove from CMake cache (if it exists)
 	execute_process(
 			COMMAND ${Python3_EXECUTABLE} -m pip show ${PACKAGE}
 			RESULT_VARIABLE FAILURE