added Foam::FOAMbuild to Foam::FOAMversion

- avoids problems with finding files based on FOAMversion
  (reported by Mattijs)

wmake/rules/General/version

@@ -1,10 +1,12 @@
 .SUFFIXES: .Cver
 
 #
-# update version string in C++ file and in $WM_PROJECT_DIR/.build file
+# update version strings in C++ file and in $WM_PROJECT_DIR/.build file
 #
 Cvertoo = \
-    sed 's/WM_PROJECT_VERSION/$(shell wmakePrintBuild -update)/' $$SOURCE > $*.C; \
+    sed -e 's/VERSION_STRING/$(shell wmakePrintBuild -major)/' \
+        -e 's/BUILD_STRING/$(shell wmakePrintBuild -update)/' \
+        $$SOURCE > $*.C; \
     $(CC) $(c++FLAGS) -c $*.C -o $@
 
 .Cver.dep: