fixed bug found by Long Wang and preserved original functionality of …

…-m flag

main.c

@@ -241,7 +241,9 @@ int main (int argv, char **argc) {
 		case 'h':	help(msort); return 1;
 		case '?':	help(msort); return 1;
 	};
-
+
+    if (mn-1 > 0) mup = mlim[mn-1];
+
 	//print summary of input parameters to .info file
 	info(output, N, Mcl, profile, W0, S, D, Q, Rh, gamma, a, Rmax, tcrit, tf, RG, VG, mfunc, single_mass, mlow, mup, alpha, mlim, alpha_L3, beta_L3, mu_L3, weidner, mloss, remnant, epoch, Z, prantzos, nbin, fbin, pairing, msort, adis, amin, amax, eigen, BSE, extmass, extrad, extdecay, extstart, code, seed, dtadj, dtout, dtplot, gpu, regupdate, etaupdate, esc, units, match, symmetry, OBperiods);