modification output : adding quotes around values (in case of blank chain, this can be detected)

src/INTBuilder.c

@@ -173,11 +173,11 @@ void getInterface(struct pdb_values* pdbR, struct pdb_values* pdbL, int numConf)
 
     for(i=0;i<nbCandL;i++){
         if(t_candidateL[i]->isCandidate == 1)
-            fprintf(outputFile_lig,"%s %s %c ",t_candidateL[i]->resName,t_candidateL[i]->idRes,t_candidateL[i]->chain);
+            fprintf(outputFile_lig,"'%s' '%s' '%c' ",t_candidateL[i]->resName,t_candidateL[i]->idRes,t_candidateL[i]->chain);
     }
     for(i=0;i<nbCandR;i++){
         if(t_candidateR[i]->isCandidate == 1)
-            fprintf(outputFile_rec,"%s %s %c ",t_candidateR[i]->resName,t_candidateR[i]->idRes,t_candidateR[i]->chain);
+            fprintf(outputFile_rec,"'%s' '%s' '%c' ",t_candidateR[i]->resName,t_candidateR[i]->idRes,t_candidateR[i]->chain);
     }