better align fortran and c examples

Chapter06/recipe-04/c-example/example.c

@@ -1,10 +1,12 @@
 #include <stdio.h>
 
-// provides PROJECT_VERSION
+// provides PROJECT_VERSION, PROJECT_VERSION_MAJOR, PROJECT_VERSION_MINOR
 #include "version.h"
 
 int main() {
-  printf("This is output from example code v%s:\n", PROJECT_VERSION);
+  printf("This is output from example code %s\n", PROJECT_VERSION);
+  printf("The major version number is %i\n", PROJECT_VERSION_MAJOR);
+  printf("The minor version number is %i\n", PROJECT_VERSION_MINOR);
 
   printf("Hello CMake world!\n");
 }

Chapter06/recipe-04/c-example/version.h.in

@@ -1,3 +1,7 @@
 #pragma once
 
-#define PROJECT_VERSION "@PROJECT_VERSION@"
+#define PROJECT_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
+#define PROJECT_VERSION_MINOR @PROJECT_VERSION_MINOR@
+#define PROJECT_VERSION_PATCH @PROJECT_VERSION_PATCH@
+
+#define PROJECT_VERSION "v@PROJECT_VERSION@"

Chapter06/recipe-04/fortran-example/example.f90

@@ -1,11 +1,13 @@
 program example
 
-  use version, only: PROJECT_VERSION, PROJECT_VERSION_MAJOR
+  use version, only: PROJECT_VERSION, PROJECT_VERSION_MAJOR, PROJECT_VERSION_MINOR
 
   implicit none
 
   print *, "This is output from example code ", PROJECT_VERSION
   print *, "The major version number is", PROJECT_VERSION_MAJOR
+  print *, "The minor version number is", PROJECT_VERSION_MINOR
+
   print *, "Hello CMake world!"
 
 end program