cosmetic: tests: pcu_emu: fix trailing whitespace

Change-Id: I889498c75a78fd8aa406cff5600e4773785782de
diff --git a/tests/emu/pcu_emu.cpp b/tests/emu/pcu_emu.cpp
index 853fcb9..41231a3 100644
--- a/tests/emu/pcu_emu.cpp
+++ b/tests/emu/pcu_emu.cpp
@@ -137,7 +137,7 @@
 	init_main_bts();
 	bssgp_set_bssgp_callback(gprs_gp_send_cb, bts->nsi);
 	create_and_connect_bssgp(bts, INADDR_LOOPBACK, 23000);
-	
+
 	for (;;)
 		osmo_select_main(0);