Fixed typo.

report/report.tex

@@ -303,7 +303,7 @@ in detail here.
 
 The writer has a slightly different output format than the xgcc compiler in
 some cases. Therefore, the main execution file has an option to also write the
-original statement list back to a files way, differences in tabs, spaces and
+original statement list back to a file, differences in tabs, spaces and
 newlines do not show up when checking the differences between optimized and
 non-optimized files.