Made the dll entry point default to DllMain and removed most of the
'init' spec file declarations.

diff --git a/dlls/dinput/dinput_main.c b/dlls/dinput/dinput_main.c
index 61cb102..1b39302 100644
--- a/dlls/dinput/dinput_main.c
+++ b/dlls/dinput/dinput_main.c
@@ -50,7 +50,7 @@
 static dinput_device * dinput_devices[MAX_WINE_DINPUT_DEVICES];
 static int nrof_dinput_devices = 0;
 
-BOOL WINAPI Init( HINSTANCE inst, DWORD reason, LPVOID reserv)
+BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserv)
 {
     switch(reason)
     {