dbghelp: StackWalk (32 and 64 bit version).
- enhance implementation of StackWalk (32 and 64 bit version) by
  making use of module information and calling for FPO
- FPO part is still non functional
- implemented SymGetModuleBase64
- stubbed SymFunctionTableAccess64
diff --git a/include/dbghelp.h b/include/dbghelp.h
index dd2aad8..c70ca15 100644
--- a/include/dbghelp.h
+++ b/include/dbghelp.h
@@ -691,6 +691,7 @@
 BOOL    WINAPI SymGetModuleInfo64(HANDLE, DWORD64, PIMAGEHLP_MODULE64);
 BOOL    WINAPI SymGetModuleInfoW64(HANDLE, DWORD64, PIMAGEHLP_MODULEW64);
 DWORD   WINAPI SymGetModuleBase(HANDLE, DWORD);
+DWORD64 WINAPI SymGetModuleBase64(HANDLE, DWORD64);
 DWORD   WINAPI SymLoadModule(HANDLE, HANDLE, PSTR, PSTR, DWORD, DWORD);
 DWORD64 WINAPI SymLoadModule64(HANDLE, HANDLE, PSTR, PSTR, DWORD64, DWORD);
 DWORD64 WINAPI SymLoadModuleEx(HANDLE, HANDLE, PCSTR, PCSTR, DWORD64, DWORD,
@@ -973,6 +974,7 @@
                         PTRANSLATE_ADDRESS_ROUTINE64);
 
 PVOID WINAPI SymFunctionTableAccess(HANDLE, DWORD);
+PVOID WINAPI SymFunctionTableAccess64(HANDLE, DWORD64);
 
 typedef PVOID (CALLBACK *PSYMBOL_FUNCENTRY_CALLBACK)(HANDLE, DWORD, PVOID);
 typedef PVOID (CALLBACK *PSYMBOL_FUNCENTRY_CALLBACK64)(HANDLE, ULONG64, ULONG64);