compile error with wx svn

Hello,

.src/classes/MessageView.cpp: In member function 'bool MessageView::LaunchProcess(const String&, const String&, const String&)':
.src/classes/MessageView.cpp:4040: warning: suggest explicit braces to avoid ambiguous 'else'
In file included from /a/M/wxWindows.29/wxWidgets/include/wx/vector.h:25,
                 from /a/M/wxWindows.29/wxWidgets/include/wx/html/htmlpars.h:20,
                 from /a/M/wxWindows.29/wxWidgets/include/wx/html/winpars.h:18,
                 from /a/M/wxWindows.29/wxWidgets/include/wx/html/htmlwin.h:20,
                 from /a/M/wxWindows.29/wxWidgets/include/wx/html/helpfrm.h:31,
                 from /a/M/wxWindows.29/wxWidgets/include/wx/html/helpctrl.h:20,
                 from /a/M/wxWindows.29/wxWidgets/include/wx/help.h:36,
                 from .src/../include/Mpch.h:29:
/a/M/wxWindows.29/wxWidgets/include/wx/scopeguard.h: In function 'void wxPrivate::OnScopeExit(ScopeGuardImpl&) [with ScopeGuardImpl = wxScopeGuardImpl1<void (*)(void**), void**>]':
/a/M/wxWindows.29/wxWidgets/include/wx/scopeguard.h:177:   instantiated from 'wxScopeGuardImpl1<F, P1>::~wxScopeGuardImpl1() [with F = void (*)(void**), P1 = void**]'
.src/classes/MessageView.cpp:1796:   instantiated from here
/a/M/wxWindows.29/wxWidgets/include/wx/scopeguard.h:78: error: exception handling disabled, use -fexceptions to enable
make[1]: *** [classes/MessageView.o] Error 1

Regards,
Nerijus

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