Move math.h includes into .cc files

FPEngine.cc

@@ -133,6 +133,8 @@
 #include "FPModel.h"
 extern NmapOps o;
 
+#include <math.h>
+
 
 /******************************************************************************
  * Globals.                                                                   *

nmap.h

@@ -233,7 +233,6 @@ void *realloc();
 /* Keep assert() defined for security reasons */
 #undef NDEBUG
 
-#include <math.h>
 #include <assert.h>
 
 #if HAVE_SYS_RESOURCE_H

nse_main.cc

@@ -21,6 +21,8 @@
 #include "nse_debug.h"
 #include "nse_lpeg.h"
 
+#include <math.h>
+
 #define NSE_MAIN "NSE_MAIN" /* the main function */
 
 /* Script Scan phases */

osscan2.cc

@@ -136,6 +136,7 @@
 #include "struct_ip.h"
 
 #include <list>
+#include <math.h>
 
 extern NmapOps o;
 

timing.cc

@@ -130,6 +130,8 @@
 #include "utils.h"
 #include "xml.h"
 
+#include <math.h>
+
 extern NmapOps o;
 
 /* Call this function on a newly allocated struct timeout_info to