janitor: add guards to headers

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/hw/lm32.h b/hw/lm32.h
index 0a676329fd..4194c9a813 100644
--- a/hw/lm32.h
+++ b/hw/lm32.h
@@ -1,3 +1,6 @@
+#ifndef HW_LM32_H
+#define HW_LM32_H 1
+
 
 #include "qemu-common.h"
 
@@ -23,3 +26,5 @@ static inline DeviceState *lm32_juart_init(void)
 
     return dev;
 }
+
+#endif