Format aapt warnings the same way as other compiler warnings
('warning: ' instead of 'WARNING: ' or 'WARNING ')
diff --git a/tools/aapt/Package.cpp b/tools/aapt/Package.cpp
index 8424169..999a5cf 100644
--- a/tools/aapt/Package.cpp
+++ b/tools/aapt/Package.cpp
@@ -168,7 +168,7 @@
         delete zip;        // close the file so we can remove it in Win32
         zip = NULL;
         if (unlink(outputFile.string()) != 0) {
-            fprintf(stderr, "WARNING: could not unlink '%s'\n", outputFile.string());
+            fprintf(stderr, "warning: could not unlink '%s'\n", outputFile.string());
         }
     }
 
@@ -181,7 +181,7 @@
             printf("Removing %s due to earlier failures\n", outputFile.string());
         }
         if (unlink(outputFile.string()) != 0) {
-            fprintf(stderr, "WARNING: could not unlink '%s'\n", outputFile.string());
+            fprintf(stderr, "warning: could not unlink '%s'\n", outputFile.string());
         }
     }
 
@@ -283,7 +283,7 @@
     if (fileNameLen > excludeExtensionLen
             && (0 == strcmp(storageName.string() + (fileNameLen - excludeExtensionLen),
                             kExcludeExtension))) {
-        fprintf(stderr, "WARNING: '%s' not added to Zip\n", storageName.string());
+        fprintf(stderr, "warning: '%s' not added to Zip\n", storageName.string());
         return true;
     }