x86/traps: Fix #DE Oops message regression

The conversion of #DE to the idtentry mechanism introduced a change in the
Ooops message which confuses tools which parse crash information in dmesg.

Remove the underscore from 'divide_error' to restore previous behaviour.

Fixes: 9d06c4027f21 ("x86/entry: Convert Divide Error to IDTENTRY")
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/CACT4Y+bTZFkuZd7+bPArowOv-7Die+WZpfOWnEO_Wgs3U59+oA@mail.gmail.com
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 81a2fb7..316ce1c 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -195,7 +195,7 @@
-	do_error_trap(regs, 0, "divide_error", X86_TRAP_DE, SIGFPE,
+	do_error_trap(regs, 0, "divide error", X86_TRAP_DE, SIGFPE,
 		      FPE_INTDIV, error_get_trap_addr(regs));