use ' instead of " for a char

PhilippSalvisberg · PhilippSalvisberg · commit a2b2694e8077 · 2020-05-25T11:27:17.000+02:00
diff --git a/sqldev/src/main/java/org/utplsql/sqldev/model/PrefixTools.java b/sqldev/src/main/java/org/utplsql/sqldev/model/PrefixTools.java
@@ -70,7 +70,7 @@ public static String commonPrefix(final List<String> list) {
             if (list.size() == 0) {
                 return "";
             } else if (list.size() == 1) {
-                final int pos = list.get(0).lastIndexOf(".");
+                final int pos = list.get(0).lastIndexOf('.');
                 if (pos > 0) {
                     return list.get(0).substring(0, pos + 1);
                 } else {
