logging fix

src/de/uni_passau/fim/seibt/gitwrapper/process/ProcessExecutor.java

@@ -253,7 +253,7 @@ public class ProcessExecutor {
                 LOG.finer(() -> String.format("Execution of '%s' returned no standard error output.", cmd));
             } else if (LOG.isLoggable(FINER)) {
                 LOG.finer(() -> String.format("Execution of '%s' returned standard error output.", cmd));
-                LOG.finest(() -> String.format("Standard output of '%s' was:%n%s", cmd, res.getStdErrTrimmed()));
+                LOG.finest(() -> String.format("Standard error output of '%s' was:%n%s", cmd, res.getStdErrTrimmed()));
             }
 
             return Optional.of(res);