Don't assume sal_Unicode is unsigned short

Change-Id: I9865090364220527830b7f32d5b506e50a2c0874

connectivity/source/drivers/hsqldb/HStorageMap.cxx

@@ -147,7 +147,8 @@ namespace connectivity
                 jboolean bCopy(sal_True);
                 const jchar* pChar = env->GetStringChars(jstr,&bCopy);
                 jsize len = env->GetStringLength(jstr);
-                aStr = OUString(pChar,len);
+                aStr = OUString(
+                    reinterpret_cast<sal_Unicode const *>(pChar), len);
 
                 if(bCopy)
                     env->ReleaseStringChars(jstr,pChar);

connectivity/source/drivers/jdbc/tools.cxx

@@ -95,7 +95,8 @@ java_util_Properties::java_util_Properties( ): java_lang_Object( nullptr, nullpt
 jstring connectivity::convertwchar_tToJavaString(JNIEnv *pEnv,const OUString& _rTemp)
 {
     OSL_ENSURE(pEnv,"Environment is NULL!");
-    jstring pStr = pEnv->NewString(_rTemp.getStr(), _rTemp.getLength());
+    jstring pStr = pEnv->NewString(
+        reinterpret_cast<jchar const *>(_rTemp.getStr()), _rTemp.getLength());
     pEnv->ExceptionClear();
     OSL_ENSURE(pStr,"Could not create a jsstring object!");
     return pStr;
@@ -163,7 +164,7 @@ OUString connectivity::JavaString2String(JNIEnv *pEnv,jstring _Str)
         jboolean bCopy(sal_True);
         const jchar* pChar = pEnv->GetStringChars(_Str,&bCopy);
         jsize len = pEnv->GetStringLength(_Str);
-        aStr = OUString(pChar,len);
+        aStr = OUString(reinterpret_cast<sal_Unicode const *>(pChar), len);
 
         if(bCopy)
             pEnv->ReleaseStringChars(_Str,pChar);

connectivity/source/drivers/macab/macabutilities.hxx

@@ -57,7 +57,7 @@ namespace connectivity
             CFStringGetCharacters (sOrig, CFRangeMake(0,nStringLength), unichars);
             CFRelease(sOrig);
 
-            return OUString(unichars);
+            return OUString(reinterpret_cast<sal_Unicode *>(unichars));
         }
 
 
@@ -68,7 +68,7 @@ namespace connectivity
              * File was: fpicker/source/aqua/CFStringUtilities
              */
 
-            CFStringRef ref = CFStringCreateWithCharacters(kCFAllocatorDefault, aString.getStr(), aString.getLength());
+            CFStringRef ref = CFStringCreateWithCharacters(kCFAllocatorDefault, reinterpret_cast<UniChar const *>(aString.getStr()), aString.getLength());
 
             return ref;
         }