Added Code to make sure that if -3 option is given then 3' end must match upto given number of base pairs

git-svn-id: https://www.grenoble.prabi.fr/svn/LECASofts/ecoPrimers/trunk@231 60f365c0-8329-0410-b2a4-ec073aeeaa1d

src/libthermo/thermostats.c

@@ -4,8 +4,7 @@
 #include <stdlib.h>
 #include "thermostats.h"
 
-static word_t extractSite(char* sequence,
-		                  size_t begin, size_t length, bool_t strand)
+word_t extractSite(char* sequence, size_t begin, size_t length, bool_t strand)
 {
 	char *c;
 	char *start;

src/libthermo/thermostats.h

@@ -4,5 +4,6 @@
 #include "../libecoprimer/ecoprimer.h"
 
 void getThermoProperties (ppair_t* pairs, size_t count, poptions_t options);
+word_t extractSite(char* sequence, size_t begin, size_t length, bool_t strand);
 
 #endif