include: Make the Dll* entry points hidden.
diff --git a/include/shlwapi.h b/include/shlwapi.h
index 1f3aec4..e1e43f5 100644
--- a/include/shlwapi.h
+++ b/include/shlwapi.h
@@ -978,7 +978,7 @@
 
 #ifdef __WINESRC__
 /* shouldn't be here, but is nice for type checking */
-HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *);
+HRESULT WINAPI DllGetVersion(DLLVERSIONINFO *) DECLSPEC_HIDDEN;
 #endif
 
 typedef struct _DLLVERSIONINFO2 {
@@ -995,7 +995,7 @@
 #define MAKEDLLVERULL(mjr, mnr, bld, qfe) (((ULONGLONG)(mjr)<< 48)| \
   ((ULONGLONG)(mnr)<< 32) | ((ULONGLONG)(bld)<< 16) | (ULONGLONG)(qfe))
 
-HRESULT WINAPI DllInstall(BOOL,LPCWSTR);
+HRESULT WINAPI DllInstall(BOOL,LPCWSTR) DECLSPEC_HIDDEN;
 
 
 /* IsOS definitions */