Free allocated X resource value. (#2620)

This fixes a little memory leak.

diff --git a/libi3/dpi.c b/libi3/dpi.c
index d0d1bc6896e89c36067e2d026c1101dcd84d2b6b..ce85cacc59fcc2d48c0b35877a334f323ab73c15 100644 (file)
--- a/libi3/dpi.c
+++ b/libi3/dpi.c
@@ -53,6 +53,10 @@ void init_dpi(void) {
     DLOG("Found Xft.dpi = %ld.\n", dpi);
 
 init_dpi_end:
+    if (resource != NULL) {
+        free(resource);
+    }
+
     if (database != NULL) {
         xcb_xrm_database_free(database);
     }