progress on sanity_tests.c, adding back md_str8_styllize

Eventually a heavy reduction of base & OS should be provided via libgen or done here to reduce the overall surface area of the library for the user.
Base and os were dragged from raddbg and the original metadesk didn't need as many definitions.

source/base/memory.h

@@ -37,7 +37,7 @@
 #endif
 
 #ifndef md_thousand
-#define thousand(n)   ((n) * 1000)
+#define md_thousand(n)   ((n) * 1000)
 #endif
 #ifndef md_million
 #define md_million(n)    ((n) * 1000000)
@@ -801,9 +801,9 @@ md_sll__queue_pop_nz(void* nil, void** f, void* f_next, void** l)
 
 #ifndef md_zero_struct
 #	if MD_LANG_CPP
-#		define md_zero_struct {}
+#		define md_zero_struct() {}
 #	else
-#		define md_zero_struct {0}
+#		define md_zero_struct() {0}
 #	endif
 #endif