convert awpmd header include to c++ style

lib/awpmd/ivutils/include/cerf.h

@@ -42,11 +42,6 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 //
 
 
-//#include <math.h>
-//#include <octave/oct.h>
-
-//#include "f77-fcn.h"
-
 //
 // Abramowitz and Stegun: (eqn: 7.1.14) gives this continued
 // fraction for erfc(z)
@@ -242,4 +237,4 @@ const Complex cerf( const Complex z )
 // 2.2  1.7   0.135021+0.153161i |   0.135021 +0.153161    1.65541359 -1.276707
 // 2.2  2.7   0.127900+0.096330i |   0.127900 +0.096330    0.98619434 +0.000564
 
-# endif
+# endif

lib/awpmd/ivutils/include/logexc.h

@@ -1,9 +1,9 @@
 # ifndef LOGEXC_H
 # define LOGEXC_H
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <stdarg.h>
+#include <cstdio>
+#include <cstdlib>
+#include <cstdarg>
 #include <stdexcept>
 #include <string>
 

lib/awpmd/ivutils/include/vector_3.h

@@ -84,7 +84,7 @@
 # include <iostream>
 # include <cmath>
 # include <limits>
-# include <stdlib.h>
+# include <cstdlib>
 
 // some compilers don't define PI!
 # ifndef M_PI