Fix more kernel32 railgun definitions using DWORD

Author: zeroSteiner

lib/rex/post/meterpreter/extensions/stdapi/railgun/def/def_kernel32.rb

@@ -1591,7 +1591,7 @@ def self.create_dll(dll_path = 'kernel32')
       ["PDWORD","pdwHandleCount","out"],
       ])
 
-    dll.add_function( 'GetProcessHeap', 'DWORD',[
+    dll.add_function( 'GetProcessHeap', 'HANDLE',[
       ])
 
     dll.add_function( 'GetProcessHeaps', 'DWORD',[
@@ -2078,7 +2078,7 @@ def self.create_dll(dll_path = 'kernel32')
       ["DWORD","dwFlags","in"],
       ])
 
-    dll.add_function( 'HeapCreate', 'DWORD',[
+    dll.add_function( 'HeapCreate', 'HANDLE',[
       ["DWORD","flOptions","in"],
       ["DWORD","dwInitialSize","in"],
       ["DWORD","dwMaximumSize","in"],