Yet another minor fix

Author: mikessh

src/main/groovy/com/milaboratory/migec/CdrBlast.groovy

@@ -636,7 +636,7 @@ inputFileNames.each { inputFileName ->
                 qual = qual.substring(clonotypeData.cdrFrom, clonotypeData.cdrTo)
 
                 // Increment counters if quality is good
-                if (Util.qualFromString(qual).min() >= qualThreshold) {
+                if (Util.minQual(qual) >= qualThreshold) {
                     clonotypeData.counts[0]++
                     goodEvents++
                     clonotypeData.counts[2] += increment

src/main/groovy/com/milaboratory/migec/Util.groovy

@@ -93,6 +93,10 @@ class Util {
         (int) symbol - 33
     }
 
+    static byte minQual(String qual) {
+        qualFromString(qual).collect().min()
+    }
+
     static byte[] qualFromString(String qual) {
         byte[] qualArr = new byte[qual.length()]
         for (int i = 0; i < qual.length(); i++)