[sysprof] perf: use #ifdef, not #if

[Christian Hergert <chergert src gnome org>]

commit 9f8f33b210216e971e311b3c9912a219f6237682
Author: Christian Hergert <christian hergert me>
Date:   Sat Apr 16 16:56:41 2016 -0700

    perf: use #ifdef, not #if
    
    config.h does not unconditionally define these, they are not defined when
    inactive.

 daemon/sysprofd.c     |    2 +-
 lib/sp-perf-counter.c |    4 ++--
 lib/sp-perf-source.c  |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/daemon/sysprofd.c b/daemon/sysprofd.c
index 51cc456..331abd1 100644
--- a/daemon/sysprofd.c
+++ b/daemon/sysprofd.c
@@ -244,7 +244,7 @@ sysprofd_perf_event_open (sd_bus_message *msg,
   attr.type = type;
   attr.wakeup_events = wakeup_events;
 
-#if HAVE_PERF_CLOCKID
+#ifdef HAVE_PERF_CLOCKID
   if (!use_clockid || clockid < 0)
     attr.clockid = CLOCK_MONOTONIC_RAW;
   else
diff --git a/lib/sp-perf-counter.c b/lib/sp-perf-counter.c
index 1ceb513..11c9ae2 100644
--- a/lib/sp-perf-counter.c
+++ b/lib/sp-perf-counter.c
@@ -654,7 +654,7 @@ sp_perf_counter_open (SpPerfCounter          *self,
                        "("
                                "["
                                        "{'comm', <%b>},"
-#if HAVE_PERF_CLOCKID
+#ifdef HAVE_PERF_CLOCKID
                                        "{'clockid', <%i>},"
                                        "{'use_clockid', <%b>},"
 #endif
@@ -674,7 +674,7 @@ sp_perf_counter_open (SpPerfCounter          *self,
                                "%t"
                        ")",
       (gboolean)!!attr->comm,
-#if HAVE_PERF_CLOCKID
+#ifdef HAVE_PERF_CLOCKID
       (gint32)attr->clockid,
       (gboolean)!!attr->use_clockid,
 #endif
diff --git a/lib/sp-perf-source.c b/lib/sp-perf-source.c
index 5eaa723..5c4a67e 100644
--- a/lib/sp-perf-source.c
+++ b/lib/sp-perf-source.c
@@ -298,7 +298,7 @@ sp_perf_source_start_pid (SpPerfSource  *self,
   attr.exclude_idle = 1;
   attr.sample_id_all = 1;
 
-#if HAVE_PERF_CLOCKID
+#ifdef HAVE_PERF_CLOCKID
   attr.clockid = sp_clock;
   attr.use_clockid = 1;
 #endif