include: replace __FUNCTION__ with __func__

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index 8996dba..8e2cdc5 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -46,7 +46,7 @@
 
 /* Function name is used for debug output. Non-ANSI, compiler-dependent */
 
-#define ACPI_GET_FUNCTION_NAME          __FUNCTION__
+#define ACPI_GET_FUNCTION_NAME          __func__
 
 /*
  * This macro is used to tag functions as "printf-like" because