Suppress implicit-fallthrough warning.

Bug: 112564944
Test: make checkbuild
Change-Id: I2bcfd08ec62f6d5953a9e25dbeaa42ffefda6d1c
diff --git a/libsysutils/src/NetlinkEvent.cpp b/libsysutils/src/NetlinkEvent.cpp
index 24ea7aa..9dc2699 100644
--- a/libsysutils/src/NetlinkEvent.cpp
+++ b/libsysutils/src/NetlinkEvent.cpp
@@ -374,6 +374,7 @@
                     continue;
                 if (!if_indextoname(* (int *) RTA_DATA(rta), dev))
                     return false;
+                continue;
             default:
                 continue;
         }