ObjC: fix some -Wpedantic warnings by removing ';'

Remove some stray ';' that were in the source code.  NFC.

llvm-svn: 311577
diff --git a/lldb/source/Plugins/Language/ObjC/NSArray.cpp b/lldb/source/Plugins/Language/ObjC/NSArray.cpp
index fed1dee..f6d1592 100644
--- a/lldb/source/Plugins/Language/ObjC/NSArray.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSArray.cpp
@@ -124,7 +124,7 @@
   
   using NSArrayMSyntheticFrontEnd =
       GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
-};
+}
   
 namespace Foundation1010 {
   struct DataDescriptor_32 {
@@ -147,7 +147,7 @@
   
   using NSArrayMSyntheticFrontEnd =
       GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
-};
+}
   
 namespace Foundation1428 {
   struct DataDescriptor_32 {
@@ -166,7 +166,7 @@
   
   using NSArrayMSyntheticFrontEnd =
       GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
-};
+}
   
 namespace Foundation1437 {
   template <typename PtrType>