remove space-tab sequences

There are not many, and they are all simple mistakes that ended up
being committed.  Remove them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20181213223737.11793-2-pbonzini@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 99bbce0..12c8407 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -1807,7 +1807,7 @@
 	abi_ulong	st_rdev;
 	abi_long	st_size;
 	abi_long	st_blksize;
-    	abi_long	st_blocks;	/* Number 512-byte blocks allocated. */
+	abi_long	st_blocks;	/* Number 512-byte blocks allocated. */
 
 	abi_ulong	target_st_atime;
 	abi_ulong 	target_st_atime_nsec; 
@@ -1816,7 +1816,7 @@
 	abi_ulong	target_st_ctime;
 	abi_ulong       target_st_ctime_nsec;
 
-  	abi_long	__unused[3];
+	abi_long	__unused[3];
 };
 #elif defined(TARGET_S390X)
 struct target_stat {