ICU-4419 Fix some MinGW data build issues

X-SVN-Rev: 17328

icu4c/source/config/mh-mingw

@@ -68,9 +68,6 @@ DATA_STUBNAME = dt
 I18N_STUBNAME = in
 LIBICU = $(STATIC_PREFIX_WHEN_USED)$(ICUPREFIX)
 
-## These are the library specific LDFLAGS
-LDFLAGSICUDT=-nodefaultlibs -nostdlib
-
 # The #M# is used to delete lines for icu-config
 # Current full path directory.
 CURR_FULL_DIR=$(shell pwd -W)#M#

icu4c/source/tools/pkgdata/pkgdata.c

@@ -385,7 +385,11 @@ main(int argc, char* argv[]) {
 
     /* Makefile pathname */
     uprv_strcpy(tmp, o.tmpDir);
+#ifdef U_MAKE_IS_NMAKE
     uprv_strcat(tmp, U_FILE_SEP_STRING);
+#else
+    uprv_strcat(tmp, U_FILE_ALT_SEP_STRING);
+#endif
     uprv_strcat(tmp, o.shortName);
     uprv_strcat(tmp, "_");
     uprv_strcat(tmp, o.mode);