Work around this GCC ICE: <https://bugs.gnu.org/31708>.  It shows up
only when doing native compiles on armhf-linux.

Yes it's a terrible patch, but it does the job.

--- doxygen-1.8.13/qtools/qutfcodec.cpp	1970-01-01 01:00:00.000000000 +0100
+++ doxygen-1.8.13/qtools/qutfcodec.cpp	2018-06-08 14:14:29.614009929 +0200
@@ -189,7 +189,7 @@ int QUtf16Codec::heuristicContentMatch(c
 }
 
 
-
+volatile const void *bomPointer = &QChar::byteOrderMark;
 
 class QUtf16Encoder : public QTextEncoder {
     bool headerdone;
@@ -209,7 +209,7 @@ public:
 	    headerdone = TRUE;
 	    len_in_out = (1+uc.length())*(int)sizeof(QChar);
 	    QCString d(len_in_out);
-	    memcpy(d.rawData(),&QChar::byteOrderMark,sizeof(QChar));
+	    memcpy(d.rawData(),(void *)bomPointer,sizeof(QChar));
 	    memcpy(d.rawData()+sizeof(QChar),uc.unicode(),uc.length()*sizeof(QChar));
 	    return d;
 	}
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<tr><td><span title='2018-01-28 23:14:55 +0100'>2018-01-28</span></td><td><a href='/guix/commit/scripts?id=63666a348af5ef5190cbe9611c40f2b9188b7967'>guix: Let Emacs detect “scripts/guix.in” appropriate mode.</a><span class='msg-avail'>...</span></td><td>Mathieu Lirzin</td></tr>
<tr><td><span title='2018-01-23 15:01:15 +0100'>2018-01-23</span></td><td><a href='/guix/commit/scripts?id=6f774d481839f87178c5895ac2d661e141f879b8'>guix: Refactor script.</a><span class='msg-avail'>...</span></td><td>Mathieu Lirzin</td></tr>
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