[hackers] [slstatus] Fix memory leak || Aaron Marcher

[git]

commit b04ca3ef45decced916dd43370d43a10f21e2991
Author:     Aaron Marcher <m...@drkhsh.at>
AuthorDate: Fri May 18 16:55:37 2018 +0200
Commit:     Aaron Marcher <m...@drkhsh.at>
CommitDate: Fri May 18 16:55:37 2018 +0200

    Fix memory leak

diff --git a/components/battery.c b/components/battery.c
index 84b2c11..b05c171 100644
--- a/components/battery.c
+++ b/components/battery.c
@@ -125,7 +125,7 @@
                                return bprintf("%u:%02u", apm_info.minutes_left 
/ 60,
                                               apm_info.minutes_left % 60);
                        } else {
-                               return strdup("");
+                               return "";
                        }
                }