quartz: Better match the PSDK types and fix the winapi_check warnings.

dlls/quartz/main.c

@@ -273,7 +273,7 @@ LONG WINAPI DBToAmpFactor(LONG db)
 /***********************************************************************
  *              AMGetErrorTextA (QUARTZ.@)
  */
-DWORD WINAPI AMGetErrorTextA(HRESULT hr, char *buffer, DWORD maxlen)
+DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 {
     int len;
     static const char format[] = "Error: 0x%x";
@@ -291,7 +291,7 @@ DWORD WINAPI AMGetErrorTextA(HRESULT hr, char *buffer, DWORD maxlen)
 /***********************************************************************
  *              AMGetErrorTextW (QUARTZ.@)
  */
-DWORD WINAPI AMGetErrorTextW(HRESULT hr, WCHAR *buffer, DWORD maxlen)
+DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 {
     int len;
     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};

tools/winapi/win32.api

@@ -4087,6 +4087,7 @@ REFIID
 
 %long
 
+DWORD
 HRESULT
 LONG
 
@@ -4096,6 +4097,14 @@ LPVOID *
 REFCLSID
 REFIID
 
+%str
+
+LPSTR
+
+%wstr
+
+LPWSTR
+
 %%query.dll
 
 %long