Index: dll/win32/wininet/CMakeLists.txt
===================================================================
--- dll/win32/wininet/CMakeLists.txt	(revision 54341)
+++ dll/win32/wininet/CMakeLists.txt	(working copy)
@@ -5,6 +5,7 @@
     -Dclose=_close)
 
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
+include_directories(${REACTOS_SOURCE_DIR}/lib/3rdparty/zlib)
 
 spec2def(wininet.dll wininet.spec)
 
@@ -29,7 +30,7 @@
 add_library(wininet SHARED ${SOURCE})
 
 set_module_type(wininet win32dll)
-target_link_libraries(wininet wine ${PSEH_LIB})
+target_link_libraries(wininet wine ${PSEH_LIB} zlib)
 add_delay_importlibs(wininet secur32 crypt32)
 add_importlibs(wininet mpr shlwapi shell32 user32 advapi32 ws2_32 msvcrt kernel32 ntdll)
 add_cd_file(TARGET wininet DESTINATION reactos/system32 FOR all)
Index: dll/win32/wininet/wininet.rbuild
===================================================================
--- dll/win32/wininet/wininet.rbuild	(revision 54341)
+++ dll/win32/wininet/wininet.rbuild	(working copy)
@@ -6,6 +6,7 @@
 	<importlibrary definition="wininet.spec" />
 	<include base="wininet">.</include>
 	<include base="ReactOS">include/reactos/wine</include>
+	<include base="zlib">.</include>
 	<define name="__WINESRC__" />
 	<define name="_WINE" />
 
@@ -22,6 +23,7 @@
 	<library>secur32</library>
 	<library>crypt32</library>
 	<library>ws2_32</library>
+	<library>zlib</library>
 	<library>pseh</library>
 	<file>cookie.c</file>
 	<file>dialogs.c</file>
Index: include/reactos/wine/config.h
===================================================================
--- include/reactos/wine/config.h	(revision 54341)
+++ include/reactos/wine/config.h	(working copy)
@@ -1135,10 +1135,10 @@
 /* #undef HAVE_XRENDERSETPICTURETRANSFORM */
 
 /* Define to 1 if you have the `z' library (-lz). */
-/* #define HAVE_ZLIB 1 */
+#define HAVE_ZLIB 1
 
 /* Define to 1 if you have the <zlib.h> header file. */
-/* #define HAVE_ZLIB_H 1 */
+#define HAVE_ZLIB_H 1
 
 /* Define to 1 if you have the `_pclose' function. */
 #define HAVE__PCLOSE 1