cleanup: Move write_pid() to where it is being used

The write_pid() function is only used in openvpn.c, so no need to have that in the misc.[ch] mixed bag.

Signed-off-by David Sommerseth <[email protected]...>

---
 src/openvpn/misc.c    | 21 ---------------------
 src/openvpn/misc.h    |  2 --
 src/openvpn/openvpn.c | 21 +++++++++++++++++++++
 3 files changed, 21 insertions(+), 23 deletions(-)

src/openvpn/misc.c +0 -21

index ae96aa69..8a76bba8 100644
@@ -142,27 +142,6 @@ run_up_down(const char *command,
     gc_free(&gc);
 }
 
-/* Write our PID to a file */
-void
-write_pid(const char *filename)
-{
-    if (filename)
-    {
-        unsigned int pid = 0;
-        FILE *fp = platform_fopen(filename, "w");
-        if (!fp)
-        {
-            msg(M_ERR, "Open error on pid file %s", filename);
-        }
-
-        pid = platform_getpid();
-        fprintf(fp, "%u\n", pid);
-        if (fclose(fp))
-        {
-            msg(M_ERR, "Close error on pid file %s", filename);
-        }
-    }
-}
 
 /*
  * Set standard file descriptors to /dev/null

src/openvpn/misc.h +0 -2

index 32b64e8b..734e679c 100644
@@ -68,8 +68,6 @@ void run_up_down(const char *command,
                  const char *script_type,
                  struct env_set *es);
 
-void write_pid(const char *filename);
-
 /* system flags */
 #define S_SCRIPT (1<<0)
 #define S_FATAL  (1<<1)

src/openvpn/openvpn.c +14 -0

index 08c09e6b..794de1a8 100644
@@ -47,6 +47,27 @@ process_signal_p2p(struct context *c)
     return process_signal(c);
 }
 
+/* Write our PID to a file */
+static void
+write_pid(const char *filename)
+{
+    if (filename)
+    {
+        unsigned int pid = 0;
+        FILE *fp = platform_fopen(filename, "w");
+        if (!fp)
+        {
+            msg(M_ERR, "Open error on pid file %s", filename);
+        }
+
+        pid = platform_getpid();