8019219: Fix typo in jdk/makefiles "default" targets

Reviewed-by: erikj
diff --git a/jdk/makefiles/CompileLaunchers.gmk b/jdk/makefiles/CompileLaunchers.gmk
index ec96b53..d4ce031 100644
--- a/jdk/makefiles/CompileLaunchers.gmk
+++ b/jdk/makefiles/CompileLaunchers.gmk
@@ -23,7 +23,7 @@
 # questions.
 #
 
-defalt: all
+default: all
 
 include $(SPEC)
 include MakeBase.gmk
diff --git a/jdk/makefiles/CompileNativeLibraries.gmk b/jdk/makefiles/CompileNativeLibraries.gmk
index 8c59cec..52b02f1 100644
--- a/jdk/makefiles/CompileNativeLibraries.gmk
+++ b/jdk/makefiles/CompileNativeLibraries.gmk
@@ -23,7 +23,7 @@
 # questions.
 #
 
-defalt: all
+default: all
 
 include $(SPEC)
 include MakeBase.gmk