COMP: clang: suppress foamy compilation warning

wmake/rules/General/CGAL

 CGAL_INC = \
-    -Wno-old-style-cast \
     -I$(CGAL_ARCH_PATH)/include \
     -I$(MPFR_ARCH_PATH)/include \
     -I$(GMP_ARCH_PATH)/include \

wmake/rules/linux64Clang/c++

@@ -4,6 +4,7 @@
 c++WARN     = -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -Wnon-virtual-dtor -Wno-overloaded-virtual -Wno-unused-comparison
 
 
+# Suppress CGAL warnings
 c++CGALWARN = -Wno-c++11-extensions -Wno-sometimes-uninitialized -Wno-mismatched-tags
 
 CC          = clang++ -m64

wmake/rules/linuxClang/c++

@@ -4,6 +4,7 @@
 c++WARN     = -Wall -Wextra -Wno-unused-parameter -Wold-style-cast -Wnon-virtual-dtor -Wno-overloaded-virtual -Wno-unused-comparison
 
 
+# Suppress CGAL warnings
 c++CGALWARN = -Wno-c++11-extensions -Wno-sometimes-uninitialized -Wno-mismatched-tags
 
 CC          = clang++ -m32