FS-7820 fix build system typo. Don't assign the same variable twice.

diff --git a/tests/unit/Makefile.am b/tests/unit/Makefile.am
index bf7c56eb1e248f8e4a674628e747eb8b8d497958..f7c9207f4c00fe1f8d286767152a0446f47d1b59 100644 (file)
--- a/tests/unit/Makefile.am
+++ b/tests/unit/Makefile.am
@@ -6,7 +6,7 @@ check_PROGRAMS =
 
 if HAVE_TAP
 TESTS += switch_event
-check_PROGRAMS = switch_event
+check_PROGRAMS += switch_event
 
 switch_event_SOURCES = switch_event.c
 switch_event_CFLAGS = $(SWITCH_AM_CFLAGS)