pmc: Move private macros back into their source files.

The header file, pmc_common.h, makes some private macros public.  The
intent was to use those macros in SNMP code, but that development never
materialized into production code.  This patch removes the private macros
from public view.

Signed-off-by: Richard Cochran <richardcochran@gmail.com>

pmc.c

@@ -38,6 +38,7 @@
 static struct pmc *pmc;
 
 #define IFMT "\n\t\t"
+#define P41 ((double)(1ULL << 41))
 
 static char *text2str(struct PTPText *text)
 {

pmc_common.c

@@ -27,6 +27,11 @@
 #include "util.h"
 #include "pmc_common.h"
 
+#define BAD_ACTION   -1
+#define BAD_ID       -1
+#define AMBIGUOUS_ID -2
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
 /*
    Field                  Len  Type
   --------------------------------------------------------

pmc_common.h

@@ -25,12 +25,6 @@
 #include "msg.h"
 #include "transport.h"
 
-#define BAD_ACTION   -1
-#define BAD_ID       -1
-#define AMBIGUOUS_ID -2
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-#define P41 ((double)(1ULL << 41))
-
 struct pmc;
 
 struct pmc *pmc_create(struct config *cfg, enum transport_type transport_type,