Fix spelling mistake - paramater -> parameter. NFCI.

llvm-svn: 295183
diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index ef0512f..007a358 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -1961,7 +1961,7 @@
     // Happens for function pointer type arguments for example.
     for (unsigned I = 0, E = Proto->getNumParams(); I != E; ++I) {
       mangleArgumentType(Proto->getParamType(I), Range);
-      // Mangle each pass_object_size parameter as if it's a paramater of enum
+      // Mangle each pass_object_size parameter as if it's a parameter of enum
       // type passed directly after the parameter with the pass_object_size
       // attribute. The aforementioned enum's name is __pass_object_size, and we
       // pretend it resides in a top-level namespace called __clang.