plugins/core: add missing break in cb_to_tcg_flags

Fixes: 54cb65d8
Reported-by: Robert Henry <robhenry@microsoft.com>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200105072940.32204-1-cota@braap.org>
Cc: qemu-stable@nongnu.org
Message-Id: <20200225124710.14152-12-alex.bennee@linaro.org>

plugins/core.c

@@ -286,6 +286,7 @@ static inline uint32_t cb_to_tcg_flags(enum qemu_plugin_cb_flags flags)
     switch (flags) {
     case QEMU_PLUGIN_CB_RW_REGS:
         ret = 0;
+        break;
     case QEMU_PLUGIN_CB_R_REGS:
         ret = TCG_CALL_NO_WG;
         break;