Don't link shlwapi directly.

For MSVC use #pragma comment to link shlwapi, and for MinGW use dynamic
loading of this library.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77635 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

build/bakefiles/common.bkl

@@ -589,7 +589,6 @@ $(TAB)$(VC_COMPILER) /EP /nologo "$(DOLLAR)(InputPath)" > "$(SETUPHDIR)\wx\msw\r
                 <!-- this one is only used if wxUSE_URL_NATIVE==1 but we don't
                      know if it is here so just add it unconditionally -->
                 <sys-lib>wininet</sys-lib>
-                <sys-lib>shlwapi</sys-lib>
             </if>
             <if cond="FORMAT=='borland'">
                 <sys-lib>oleacc</sys-lib>

build/bakefiles/wxpresets/presets/wx_win32.bkl

@@ -299,7 +299,6 @@
             <sys-lib>rpcrt4</sys-lib>
             <sys-lib>advapi32</sys-lib>
             <sys-lib>wsock32</sys-lib>
-            <sys-lib>shlwapi</sys-lib>
         </if>
 
         <!-- Libs common to both borland and MSVC               -->