coverity#1338272 Uncaught exception

Change-Id: I5b2b7044c77de899ce8dc1e44f3673835bd3ce4c

registry/tools/regview.cxx

@@ -34,6 +34,8 @@ int main( int argc, char * argv[] )
 int __cdecl main( int argc, char * argv[] )
 #endif
 {
+    try
+    {
         RegHandle       hReg;
         RegKeyHandle    hRootKey, hKey;
 
@@ -99,6 +101,12 @@ int __cdecl main( int argc, char * argv[] )
         }
 
         return 0;
+    }
+    catch (std::exception& e)
+    {
+        fprintf(stderr, "failure: \"%s\"\n", e.what());
+        return 1;
+    }
 }