Fix buffer overflows

http://bugs.gentoo.org/show_bug.cgi?id=341089

--- Readseq/ureadseq.c
+++ Readseq/ureadseq.c
@@ -1579,7 +1579,7 @@
 
   short linesout = 0, seqtype = kNucleic;
   long  i, j, l, l1, ibase;
-  char  idword[31], endstr[10];
+  char  idword[31], endstr[15];
   char  seqnamestore[128], *seqname = seqnamestore;
   char  s[kMaxseqwidth], *cp;
   char  nameform[10], numform[10], nocountsymbols[10];
--- lib/part_func_up.c
+++ lib/part_func_up.c
@@ -1438,7 +1438,7 @@
 PUBLIC int plot_free_pu_out(pu_out* res, interact *pint, char *ofile, char *head) {
   int size,s,i,len;
   double dG_u;
-  char nan[4], *time, startl[2], dg[10];;
+  char nan[4], *time, startl[3], dg[10];;
   FILE *wastl;
 
   wastl = fopen(ofile,"a");