Fix #1192: Compiler error when MXSTACK increased

Fix a compiler error that occurred when MXSTACK was increased to 1e7 or
higher. This was due to the line length of an output statement flowing
over 80 characters. The fix was just to split the line, so that more
characters are available.

HEN_HOUSE/src/egsnrc.mortran

@@ -6010,7 +6010,8 @@ REPLACE {$CHECK-RELAX-STACK(#,#);} WITH {;
        ' min_E = ', min_E,' iq = ',iqf);
 ;  "---------- BUFFER FLUSH SEMICOLON ----------"
       $egs_fatal('(//,3a,/,2(a,i9),/,a)',' In subroutine ',{P2},
-          ' stack size exceeded! ',' $MXSTACK = ',$MXSTACK,' np = ',{P1},
+          ' stack size exceeded! ',' $MXSTACK = ',
+          $MXSTACK,' np = ',{P1},
           ' Increase $MXSTACK and try again ');
   ]
 };