typo fixed in bbini.f

git-svn-id: svn://powhegbox.mib.infn.it/trunk/POWHEG-BOX@439 9e129b38-c2c0-4eec-9301-dc54fda404de

Author: oleari

bbinit.f

@@ -495,7 +495,7 @@ subroutine loadgrids(iret,xgrid,ymax,xgridrm,ymaxrm,
                   write(*,*)  pwgprefix(1:lprefix)//'grid-'//
      1                 rnd_cwhichseed//
      2                 '.dat does not have the same folding as'
-                  write(*,*) ,pwgprefix(1:lprefix)//'grid.dat'
+                  write(*,*) pwgprefix(1:lprefix)//'grid.dat'
                   call exit(-1)
                endif
             enddo