minor code clean up

diff --git a/src/jalview/datamodel/Alignment.java b/src/jalview/datamodel/Alignment.java
index 02c4239..1956df7 100755 (executable)
--- a/src/jalview/datamodel/Alignment.java
+++ b/src/jalview/datamodel/Alignment.java
@@ -1190,7 +1190,8 @@ public class Alignment implements AlignmentI
     int maxLength = -1;
 
     SequenceI current;
-    for (int i = 0; i < sequences.size(); i++)
+    int nseq = sequences.size();
+    for (int i = 0; i < nseq; i++)
     {
       current = getSequenceAt(i);
       for (int j = current.getLength(); j > maxLength; j--)
@@ -1207,7 +1208,7 @@ public class Alignment implements AlignmentI
     maxLength++;
 
     int cLength;
-    for (int i = 0; i < sequences.size(); i++)
+    for (int i = 0; i < nseq; i++)
     {
       current = getSequenceAt(i);
       cLength = current.getLength();