Android typo fix exercise, uknown -> unknown
Test: refactoring CL. Existing unit tests still pass.

Change-Id: I8b8d1f3f54f3c1c6b05b9a41a49ed5c418140310
diff --git a/libdiskconfig/diskconfig.c b/libdiskconfig/diskconfig.c
index c7e1b43..5f34748 100644
--- a/libdiskconfig/diskconfig.c
+++ b/libdiskconfig/diskconfig.c
@@ -398,7 +398,7 @@
         case PART_SCHEME_GPT:
             /* not supported yet */
         default:
-            ALOGE("Uknown partition scheme.");
+            ALOGE("Unknown partition scheme.");
             break;
     }