magic: Fix PIPEFS_MAGIC constant

This one is actually an internal kernel magic number for pipefs filesystem
and shouldn't be changed.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/image.h

@@ -14,7 +14,6 @@
 #define PAGES_MAGIC	0x56084025 /* Vladimir */
 #define CORE_MAGIC	0x55053847 /* Kolomna */
 #define SHMEM_MAGIC	0x54123737 /* Tula */
-#define PIPEFS_MAGIC	0x54023547 /* Kozelsk */
 #define PIPES_MAGIC	0x56513555 /* Tver */
 #define SIGACT_MAGIC	0x55344201 /* Murom */
 #define UNIXSK_MAGIC	0x54373943 /* Ryazan */
@@ -22,6 +21,8 @@
 #define ITIMERS_MAGIC	0x57464056 /* Kostroma */
 #define UTSNS_MAGIC	0x54473203 /* Smolensk */
 
+#define PIPEFS_MAGIC	0x50495045
+
 #define FDINFO_FD	1
 #define FDINFO_MAP	2