Remove confuse comment in config.h.in;Move config.h.in to cmake.

CMakeLists.txt

@@ -229,7 +229,7 @@ if (NOT HAVE_WORKING_VFORK)
     set(vfork fork)
 endif ()
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/src/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/src/config.h)
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.h.in ${CMAKE_CURRENT_BINARY_DIR}/src/config.h)
 
 add_definitions(-DHAVE_CONFIG_H)
 

src/config.h.in → cmake/config.h.in

@@ -1,5 +1,3 @@
-/* config.h.in.  Generated from configure.ac by autoheader.  */
-
 /* Define if building universal (internal helper macro) */
 #cmakedefine AC_APPLE_UNIVERSAL_BUILD