fixed defects from coverity.com

modules/core/src/command_line_parser.cpp

@@ -237,6 +237,11 @@ CommandLineParser::CommandLineParser(int argc, const char* const argv[], const S
     impl->sort_params();
 }
 
+CommandLineParser::~CommandLineParser()
+{
+    if (CV_XADD(&impl->refcount, -1) == 1)
+        delete impl;
+}
 
 CommandLineParser::CommandLineParser(const CommandLineParser& parser)
 {

modules/core/src/ocl.cpp

@@ -2641,9 +2641,9 @@ KernelArg KernelArg::Constant(const Mat& m)
 
 struct Kernel::Impl
 {
-    Impl(const char* kname, const Program& prog)
+    Impl(const char* kname, const Program& prog) :
+        refcount(1), e(0), nu(0)
     {
-        e = 0; refcount = 1;
         cl_program ph = (cl_program)prog.ptr();
         cl_int retval = 0;
         handle = ph != 0 ?