perf config: Add missing newline on pr_warning() call in home_perfconfig()

Add missing newline on pr_warning() call in home_perfconfig().

Before:
  # perf record
  File /home/yangjihong/.perfconfig not owned by current user or root, ignoring it.Couldn't synthesize bpf events.

After:
  # perf record
  File /home/yangjihong/.perfconfig not owned by current user or root, ignoring it.
  Couldn't synthesize bpf events.
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221022092735.114967-4-yangjihong1@huawei.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/config.c

@@ -556,7 +556,7 @@ static char *home_perfconfig(void)
 
 	config = strdup(mkpath("%s/.perfconfig", home));
 	if (config == NULL) {
-		pr_warning("Not enough memory to process %s/.perfconfig, ignoring it.", home);
+		pr_warning("Not enough memory to process %s/.perfconfig, ignoring it.\n", home);
 		return NULL;
 	}
 
@@ -564,7 +564,7 @@ static char *home_perfconfig(void)
 		goto out_free;
 
 	if (st.st_uid && (st.st_uid != geteuid())) {
-		pr_warning("File %s not owned by current user or root, ignoring it.", config);
+		pr_warning("File %s not owned by current user or root, ignoring it.\n", config);
 		goto out_free;
 	}