ACPICA: Cosmetic changes only, no functional changes

Lint changes, fix compiler warnings, etc.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 4442543..d2097de 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -723,7 +723,7 @@
 	acpi_gbl_root_node_struct.flags = ANOBJ_END_OF_PEER_LIST;
 
 #ifdef ACPI_DEBUG_OUTPUT
-	acpi_gbl_lowest_stack_pointer = ACPI_SIZE_MAX;
+	acpi_gbl_lowest_stack_pointer = ACPI_CAST_PTR(acpi_size, ACPI_SIZE_MAX);
 #endif
 
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS