renaming a member of the metadata struct

floatimg.h

@@ -2,9 +2,10 @@
  *			floatimg.h
  *			ugly code from tTh
  *	http://la.buvette.org/photos/cumul
+ *	https://git.tetalab.org/tTh/FloatImg
  */
 
-#define		FIMG_VERSION	(181)
+#define		FIMG_VERSION	(182)
 #define		RELEASE_NAME	("noname")
 /*
  *	in memory descriptor
@@ -35,7 +36,7 @@ typedef struct {
 typedef struct {
 	char		magic[8];	// this is not an asciiz !
 	struct timeval	timestamp;
-	uint64_t	pid;		// process id of the creator
+	uint64_t	cpid;		// process id of the creator
 	int32_t		count;
 	float		fval;
 	char		idcam[32];