Declare some missing functions.

include/wininet.h

diff --git a/include/wininet.h b/include/wininet.h
index e1fc0a3..f68dd86 100644
--- a/include/wininet.h
+++ b/include/wininet.h
@@ -574,6 +574,8 @@
 #define FTP_TRANSFER_TYPE_BINARY    0x00000002
 #define FTP_TRANSFER_TYPE_MASK      (FTP_TRANSFER_TYPE_ASCII | FTP_TRANSFER_TYPE_BINARY)
 
+BOOLAPI FtpCommandA(HINTERNET, BOOL, DWORD, LPCSTR, DWORD_PTR, HINTERNET *);
+BOOLAPI FtpCommandW(HINTERNET, BOOL, DWORD, LPCWSTR, DWORD_PTR, HINTERNET *);
 
 INTERNETAPI HINTERNET WINAPI FtpFindFirstFileA(HINTERNET ,LPCSTR lpszSearchFile ,
 	LPWIN32_FIND_DATAA lpFindFileData ,DWORD ,DWORD);
@@ -585,6 +587,8 @@
 BOOLAPI FtpGetFileW(HINTERNET ,LPCWSTR ,LPCWSTR ,BOOL ,DWORD ,DWORD ,DWORD);
 #define FtpGetFile  WINELIB_NAME_AW(FtpGetFile)
 
+DWORD WINAPI FtpGetFileSize(HINTERNET, LPDWORD);
+
 BOOLAPI FtpPutFileA(HINTERNET ,LPCSTR ,LPCSTR ,DWORD ,DWORD);
 BOOLAPI FtpPutFileW(HINTERNET ,LPCWSTR ,LPCWSTR ,DWORD ,DWORD);
 #define FtpPutFile  WINELIB_NAME_AW(FtpPutFile)
@@ -1545,6 +1549,13 @@
 BOOLAPI InternetCheckConnectionW(LPCWSTR lpszUrl,DWORD dwFlags,DWORD dwReserved);
 #define InternetCheckConnection WINELIB_NAME_AW(InternetCheckConnection)
 
+BOOL WINAPI InternetGetConnectedStateExA(LPDWORD, LPSTR, DWORD, DWORD);
+BOOL WINAPI InternetGetConnectedStateExW(LPDWORD, LPWSTR, DWORD, DWORD);
+#define InternetGetConnectedStateEx WINELIB_NAME_AW(InternetGetConnectedStateEx)
+
+BOOL WINAPI InternetInitializeAutoProxyDll(DWORD);
+BOOL WINAPI DetectAutoProxyUrl(LPSTR, DWORD, DWORD);
+
 #ifdef __cplusplus
 }
 #endif