fix memory leaks reported by -fsanitize

Various small leaks here and there. Nothing particularily big, but still
good to fix. Found by the sanitizers while running our testcases.

Reported-By: gcc -fsanitize
Git-Dch: Ignore

1 files changed, 2 insertions, 0 deletions

diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index 6eb917457..428ef0161 100644
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -287,9 +287,11 @@ string FindMountPointForDevice(const char *devnode)
 	    fclose(f);
 	    // unescape the \0XXX chars in the path
 	    string mount_point = out[1];
+	    free(line);
 	    return DeEscapeString(mount_point);
 	 }
 	 fclose(f);
+	 free(line);
       }
 
    return string();