Rename .h to .hpp

These files are C++ only. They should either have no extension like
standard C++ headers (which is cumbersome on Windows environments), or
.hpp.

.h is used for C and hybrid C/C++ headers.

Signed-off-by: Simon Rozman <simon@rozman.si>

include/stdex/base64.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 #include <assert.h>
 #include <cstdint>
 #include <string>

include/stdex/errno.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 #include <stdexcept>
 #include <cstring>
 

include/stdex/exception.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 #include <exception>
 
 namespace stdex

include/stdex/hex.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 #include <assert.h>
 #include <cstdint>
 #include <string>

include/stdex/idrec.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 #include <ios>
 #include <istream>
 #include <ostream>

include/stdex/interval.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 
 namespace stdex
 {

include/stdex/mapping.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 #include <vector>
 
 namespace stdex

include/stdex/parser.hpp

@@ -5,11 +5,11 @@
 
 #pragma once
 
-#include "interval.h"
-#include "memory.h"
-#include "sal.h"
-#include "sgml.h"
-#include "string.h"
+#include "interval.hpp"
+#include "memory.hpp"
+#include "sal.hpp"
+#include "sgml.hpp"
+#include "string.hpp"
 #include <assert.h>
 #include <stdarg.h>
 #include <stdint.h>

include/stdex/progress.hpp

@@ -5,8 +5,8 @@
 
 #pragma once
 
-#include "sal.h"
-#include "interval.h"
+#include "sal.hpp"
+#include "interval.hpp"
 #include <chrono>
 
 namespace stdex

include/stdex/sgml.hpp

@@ -5,10 +5,10 @@
 
 #pragma once
 
-#include "mapping.h"
-#include "sal.h"
-#include "sgml_unicode.h"
-#include "string.h"
+#include "mapping.hpp"
+#include "sal.hpp"
+#include "sgml_unicode.hpp"
+#include "string.hpp"
 #include <assert.h>
 
 namespace stdex

include/stdex/string.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 #include <assert.h>
 #include <ctype.h>
 #include <stdint.h>

include/stdex/vector_queue.hpp

@@ -5,7 +5,7 @@
 
 #pragma once
 
-#include "sal.h"
+#include "sal.hpp"
 
 namespace stdex
 {