Fix redefinition of INFINITY
http://bugs.arb-home.de/ticket/830
http://bugs.arb-home.de/changeset/18606
--- GDE/MUSCLE/src/subfams.cpp.orig	(revision 18605)
+++ GDE/MUSCLE/src/subfams.cpp	(revision 18606)
@@ -2,5 +2,5 @@
 #include "distfunc.h"
 
-const float INFINITY = float(1e29);
+const float FAR_AWAY_DISTANCE = float(1e29); // fixed by arb (old name was: INFINITY; clashed with math.h on OSX)
 const unsigned NILL = uInsane;
 
@@ -44,5 +44,5 @@
 	for (unsigned i = 0; i < uNodeCount; ++i)
 		{
-		ShortestPathEstimate[i] = INFINITY;
+		ShortestPathEstimate[i] = FAR_AWAY_DISTANCE;
 		Predecessor[i] = NILL;
 		}