Add _cleanup_pclose_ and fix mismatching pipe close opened by popen()

Based-on-patch-by: Thomas Jarosch <thomas.jarosch@intra2net.com>

cppcheck reported:
[src/bootchart/svg.c:791]: (error) Mismatching allocation and deallocation: f

1 files changed, 3 insertions, 3 deletions

diff --git a/src/bootchart/svg.c b/src/bootchart/svg.c
index 156918a94b..b9636e20a3 100644
--- a/src/bootchart/svg.c
+++ b/src/bootchart/svg.c
@@ -22,6 +22,8 @@
 #include <sys/utsname.h>
 
 #include "bootchart.h"
+#include "util.h"
+#include "macro.h"
 
 
 #define time_to_graph(t) ((t) * scale_x)
@@ -702,7 +704,7 @@ static int ps_filter(struct ps_struct *ps)
 
 static void svg_do_initcall(int count_only)
 {
-        FILE *f;
+        FILE _cleanup_pclose_ *f = NULL;
         double t;
         char func[256];
         int ret;
@@ -787,8 +789,6 @@ static void svg_do_initcall(int count_only)
 
                 kcount++;
         }
-
-        fclose(f);
 }