dnsapi/tests: Load dnsapi dynamically and use skip.

dlls/dnsapi/tests/Makefile.in

@@ -3,7 +3,7 @@ TOPOBJDIR = ../../..
 SRCDIR    = @srcdir@
 VPATH     = @srcdir@
 TESTDLL   = dnsapi.dll
-IMPORTS   = dnsapi kernel32
+IMPORTS   = kernel32
 
 CTESTS = \
 	name.c \

dlls/dnsapi/tests/name.c

@@ -219,10 +219,16 @@ static void test_DnsNameCompare_A( void )
 START_TEST(name)
 {
     dnsapi = LoadLibraryA( "dnsapi.dll" );
-    if (!dnsapi) return;
+    if (!dnsapi)
+    {
+        /* Doesn't exist before W2K */
+        skip("dnsapi.dll cannot be loaded\n");
+        return;
+    }
 
     if (!init_function_ptrs())
     {
+        skip("Needed functions are not available\n");
         FreeLibrary( dnsapi );
         return;
     }

dlls/dnsapi/tests/record.c

@@ -150,10 +150,16 @@ static void test_DnsRecordSetDetach( void )
 START_TEST(record)
 {
     dnsapi = LoadLibraryA( "dnsapi.dll" );
-    if (!dnsapi) return;
+    if (!dnsapi)
+    {
+        /* Doesn't exist before W2K */
+        skip("dnsapi.dll cannot be loaded\n");
+        return;
+    }
 
     if (!init_function_ptrs())
     {
+        skip("Needed functions are not available\n");
         FreeLibrary( dnsapi );
         return;
     }