Add newlines to debug error strings



git-svn-id: http://skia.googlecode.com/svn/trunk/gpu@2431 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/GrGpuFactory.cpp b/src/GrGpuFactory.cpp
index a7aa4d5..9498da2 100644
--- a/src/GrGpuFactory.cpp
+++ b/src/GrGpuFactory.cpp
@@ -37,13 +37,13 @@
         }
         if (NULL == glInterface) {
 #if GR_DEBUG
-            GrPrintf("No GL interface provided!");
+            GrPrintf("No GL interface provided!\n");
 #endif
             return NULL;
         }
         if (!glInterface->validate(engine)) {
 #if GR_DEBUG
-            GrPrintf("Failed GL interface validation!");
+            GrPrintf("Failed GL interface validation!\n");
 #endif
             return NULL;
         }