atomic_template: fix indentation in GEN_ATOMIC_HELPER

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190828165307.18321-8-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

accel/tcg/atomic_template.h

@@ -284,7 +284,7 @@ ABI_TYPE ATOMIC_NAME(xchg)(CPUArchState *env, target_ulong addr,
 
 #define GEN_ATOMIC_HELPER(X)                                        \
 ABI_TYPE ATOMIC_NAME(X)(CPUArchState *env, target_ulong addr,       \
-                 ABI_TYPE val EXTRA_ARGS)                           \
+                        ABI_TYPE val EXTRA_ARGS)                    \
 {                                                                   \
     ATOMIC_MMU_DECLS;                                               \
     DATA_TYPE *haddr = ATOMIC_MMU_LOOKUP;                           \