alpha: fix decoding of shmat syscall

On alpha, shmat syscall is known as osf_shmat.

* linux/alpha/syscallent.h (osf_shmat): Fix sys_flags and sys_func.
diff --git a/linux/alpha/syscallent.h b/linux/alpha/syscallent.h
index 1bddd24..69d252a 100644
--- a/linux/alpha/syscallent.h
+++ b/linux/alpha/syscallent.h
@@ -212,7 +212,7 @@
 [206] = { 3,	TI,		SEN(semop),			"semop"			},
 [207] = { 1,	0,		SEN(printargs),			"osf_utsname"		},
 [208] = { 3,	TF,		SEN(chown),			"lchown"		},
-[209] = { 3,	TI|TM,		SEN(printargs),			"osf_shmat"		},
+[209] = { 3,	TI|TM|SI,	SEN(shmat),			"osf_shmat"		},
 [210] = { 3,	TI,		SEN(shmctl),			"shmctl"		},
 [211] = { 1,	TI|TM|SI,	SEN(shmdt),			"shmdt"			},
 [212] = { 3,	TI,		SEN(shmget),			"shmget"		},