ICU-2729 These classes should be deriving from UMemory

X-SVN-Rev: 12136

icu4c/source/i18n/regeximp.h

@@ -300,7 +300,7 @@ enum StartOfMatch {
 //
 //  8 bit set, to fast-path latin-1 set membership tests.
 //
-struct Regex8BitSet {
+struct Regex8BitSet : public UMemory {
     inline Regex8BitSet();
     inline void operator = (const Regex8BitSet &s);
     inline void init(const UnicodeSet *src);

icu4c/source/i18n/regexst.h

@@ -28,7 +28,7 @@ U_NAMESPACE_BEGIN
 class  UnicodeSet;
 
 
-class RegexStaticSets {
+class RegexStaticSets : public UMemory {
 public:
     static RegexStaticSets *gStaticSets;  // Ptr to all lazily initialized constant
                                           //   shared sets.

icu4c/source/i18n/ucurr.cpp

@@ -134,7 +134,7 @@ struct CReg;
 static UMTX gCRegLock = 0;
 static CReg* gCRegHead = 0;
 
-struct CReg {
+struct CReg : public UMemory {
   CReg *next;
   UChar iso[4];
   char  id[12];