video: s3c-fb: make runtime pm functions static

This patch makes runtime pm functions static.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 3b6cdcac..2d075f06 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -1549,7 +1549,7 @@
 	return 0;
 }
 
-int s3c_fb_runtime_suspend(struct device *dev)
+static int s3c_fb_runtime_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct s3c_fb *sfb = platform_get_drvdata(pdev);
@@ -1569,7 +1569,7 @@
 	return 0;
 }
 
-int s3c_fb_runtime_resume(struct device *dev)
+static int s3c_fb_runtime_resume(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct s3c_fb *sfb = platform_get_drvdata(pdev);