use info before the first space as seq names

Author: oushujun

bin/TIR-Learner1.23/Module3_New/call_seq_by_list2.pl

@@ -88,6 +88,7 @@
 	s/^\s+//;
 	my ($chr, $seq)=(split /\n/, $_, 2);
 	$chr=~s/\s+$//;
+	$chr=(split /\s+/, $chr)[0];
 	$seq=~s/\s+//g;
 	$genome{$chr}=$seq;
 	}