Fixes segfault caused by no_consensus found

source/commands/aligncommand.cpp

@@ -347,7 +347,7 @@ int AlignCommand::execute(){
 			//delete accnos file if its blank else report to user
 			if (m->isBlank(accnosFileName)) {  m->mothurRemove(accnosFileName);  hasAccnos = false; }
 			else { 
-				m->mothurOut("Some of your sequences generated alignments that eliminated too many bases, a list is provided in " + accnosFileName + ".");
+				m->mothurOut("[WARNING]: Some of your sequences generated alignments that eliminated too many bases, a list is provided in " + accnosFileName + ".");
 				if (!flip) {
 					m->mothurOut(" If you set the flip parameter to true mothur will try aligning the reverse compliment as well."); 
 				}else{  m->mothurOut(" If the reverse compliment proved to be better it was reported.");  }

source/commands/classifyotucommand.cpp

@@ -514,7 +514,7 @@ vector<string> ClassifyOtuCommand::findConsensusTaxonomy(vector<string> names, i
 				
 			//is this taxonomy above cutoff
 			int consensusConfidence = ceil((bestChildSize / (float) size) * 100);
-			
+            
 			if (consensusConfidence >= cutoff) { //if yes, add it
 				if (probs) {
 					conTax += bestChild.name + "(" + toString(consensusConfidence) + ");";
@@ -529,10 +529,10 @@ vector<string> ClassifyOtuCommand::findConsensusTaxonomy(vector<string> names, i
 			//move down a level
 			currentNode = bestChild;
 		}
-		
-		if (myLevel != phylo->getMaxLevel()) {  conTax = m->addUnclassifieds(conTax, phylo->getMaxLevel(), probs);  }
         
-		if (conTax == "") {  conTax = "no_consensus;";  }
+        if (conTax == "") {  conTax = "unknown;";  }
+        
+		if (myLevel != phylo->getMaxLevel()) {  conTax = m->addUnclassifieds(conTax, phylo->getMaxLevel(), probs);  }
 		
 		delete phylo;