stm32h7/stm32_sdmmc.c: fix compilation
diff --git a/arch/arm/src/stm32h7/stm32_sdmmc.c b/arch/arm/src/stm32h7/stm32_sdmmc.c
index 8975b88..2ea5ef5 100644
--- a/arch/arm/src/stm32h7/stm32_sdmmc.c
+++ b/arch/arm/src/stm32h7/stm32_sdmmc.c
@@ -2936,7 +2936,7 @@
        * incremented and there will be no wait.
        */
 
-      ret = nxsem_wait_uninterruptible(priv);
+      ret = nxsem_wait_uninterruptible(&priv->waitsem);
       if (ret < 0)
         {
           /* Task canceled.  Cancel the wdog (assuming it was started) and