Fix partition spelling.

Parition -> Partition

Test: mma
Change-Id: Ibf4898c443fadd70e45789a55566f25dc4af8b68
diff --git a/payload_generator/deflate_utils.cc b/payload_generator/deflate_utils.cc
index 2449651..1bc3b36 100644
--- a/payload_generator/deflate_utils.cc
+++ b/payload_generator/deflate_utils.cc
@@ -256,9 +256,9 @@
   return true;
 }
 
-bool PreprocessParitionFiles(const PartitionConfig& part,
-                             vector<FilesystemInterface::File>* result_files,
-                             bool extract_deflates) {
+bool PreprocessPartitionFiles(const PartitionConfig& part,
+                              vector<FilesystemInterface::File>* result_files,
+                              bool extract_deflates) {
   // Get the file system files.
   vector<FilesystemInterface::File> tmp_files;
   part.fs_interface->GetFiles(&tmp_files);