winebuild: Add DllMain to the list of functions that should be private.

dlls/acledit/acledit.spec

 1 stub EditAuditInfo
 2 stub EditOwnerInfo
 3 stub EditPermissionInfo
-4 stdcall DllMain(long long ptr)
+4 stdcall -private DllMain(long long ptr)
 5 stdcall FMExtensionProcW(long long long)
 6 stub SedDiscretionaryAclEditor
 7 stub SedSystemAclEditor

dlls/gpkcsp/gpkcsp.spec

@@ -21,6 +21,6 @@
 @ stub CPSetProvParam
 @ stub CPSignHash
 @ stub CPVerifySignature
-@ stdcall DllMain(ptr long ptr)
+@ stdcall -private DllMain(ptr long ptr)
 @ stdcall -private DllRegisterServer()
 @ stdcall -private DllUnregisterServer()

dlls/xinput1_3/xinput1_3.spec

-1 stdcall DllMain(long long ptr)
+1 stdcall -private DllMain(long long ptr)
 2 stdcall XInputGetState(long ptr)
 3 stdcall XInputSetState(long ptr)
 4 stdcall XInputGetCapabilities(long long ptr)

dlls/xinput1_4/xinput1_4.spec

-1 stdcall DllMain(long long ptr)
+1 stdcall -private DllMain(long long ptr)
 2 stdcall XInputGetState(long ptr) xinput1_3.XInputGetState
 3 stdcall XInputSetState(long ptr) xinput1_3.XInputSetState
 4 stdcall XInputGetCapabilities(long long ptr) xinput1_3.XInputGetCapabilities

tools/winebuild/parser.c

@@ -603,6 +603,7 @@ static int parse_spec_ordinal( int ordinal, DLLSPEC *spec )
     {
         if (!strcmp( odp->name, "DllRegisterServer" ) ||
             !strcmp( odp->name, "DllUnregisterServer" ) ||
+            !strcmp( odp->name, "DllMain" ) ||
             !strcmp( odp->name, "DllGetClassObject" ) ||
             !strcmp( odp->name, "DllGetVersion" ) ||
             !strcmp( odp->name, "DllInstall" ) ||