Bug#849991: breathe: FTBFS with new doxygen?

[Graham Inggs]

Control: affects -1 src:gyoto
Control: tags -1 patch

I found a similar problem building the gyoto package.

Confirming that Albert's patch from the upstream bug report fixes
building breathe and gyoto.

--- a/src/xmlgen.cpp
+++ b/src/xmlgen.cpp
@@ -620,7 +620,7 @@
     if (md->isInline()) t << "yes"; else t << "no";
     t << "\"";

-    if (al->refQualifier!=RefQualifierNone)
+    if (al!=0 && al->refQualifier!=RefQualifierNone)
     {
       t << " refqual=\"";
       if (al->refQualifier==RefQualifierLValue) t << "lvalue"; else t
<< "rvalue";