Merge pull request #148 from dweiss/bug-ellipsis

Do not emit 'and 0 more' in ignored signatures message

Author: uschindler

src/main/java/de/thetaphi/forbiddenapis/Signatures.java

@@ -221,7 +221,10 @@ private void reportMissingSignatureClasses(Set<String> missingClasses) {
       sb.append(count == 0 ? "  " : ", ").append(s);
       count++;
       if (sb.length() >= 70) {
-        sb.append(",... (and ").append(missingClasses.size() - count).append(" more).");
+        int remaining = missingClasses.size() - count;
+        if (remaining > 0) {
+          sb.append(",... (and ").append(remaining).append(" more).");
+        }
         break;
       }
     }