ICU-13456 Build Clean in VS doesn't fully clean everything that it should
diff --git a/icu4c/source/data/makedata.mak b/icu4c/source/data/makedata.mak
index 1f42124..10a686f 100644
--- a/icu4c/source/data/makedata.mak
+++ b/icu4c/source/data/makedata.mak
@@ -126,7 +126,7 @@
 
 #
 #   TESTDATABLD
-#		The build directory for test data intermidiate files
+#		The build directory for test data intermediate files
 #		(Tests are NOT run from this makefile,
 #         only the data is put in place.)
 TESTDATABLD=$(ICUP)\source\test\testdata\out\build
@@ -412,41 +412,34 @@
 	-@erase "region\*.txt"
 	-@erase "zone\*.res"
 	-@erase "zone\*.txt"
-	@cd "$(ICUBLD_PKG)\$(ICUBRK)"
-	-@erase "*.brk"
-	-@erase "*.res"
-	-@erase "*.txt"
-	-@erase "*.dict"
-	@cd "$(ICUBLD_PKG)\$(ICUCOL)"
-	-@erase "*.res"
-	-@erase "*.txt"
-	@cd "$(ICUBLD_PKG)\$(ICURBNF)"
-	-@erase "*.res"
-	-@erase "*.txt"
-	@cd "$(ICUBLD_PKG)\$(ICUTRNS)"
-	-@erase "*.res"
-	@cd "$(ICUOUT)"
-	-@erase "*.dat"
-	@cd "$(ICUTMP)"
-	-@erase "*.html"
-	-@erase "*.lst"
-	-@erase "*.mak"
-	-@erase "*.obj"
-	-@erase "*.res"
-	-@erase "*.timestamp"
-	@cd "$(TESTDATABLD)"
-	-@erase "*.cnv"
-	-@erase "*.icu"
-	-@erase "*.mak"
-	-@erase "*.nrm"
-	-@erase "*.res"
-	-@erase "*.spp"
-	-@erase "*.txt"
-	@cd "$(TESTDATAOUT)"
-	-@erase "*.dat"
-	@cd "$(TESTDATAOUT)\testdata"
-	-@erase "*.typ"
-	@cd "$(ICUBLD_PKG)"
+	-@erase "$(ICUBRK)\*.brk"
+	-@erase "$(ICUBRK)\*.res"
+	-@erase "$(ICUBRK)\*.txt"
+	-@erase "$(ICUBRK)\*.dict"
+	-@erase "$(ICUCOL)\*.res"
+	-@erase "$(ICUCOL)\*.txt"
+	-@erase "$(ICURBNF)\*.res"
+	-@erase "$(ICURBNF)\*.txt"
+	-@erase "$(ICUTRNS)\*.res"
+	-@erase "$(ICUOUT)\*.dat"
+	-@erase "$(ICUTMP)\*.html"
+	-@erase "$(ICUTMP)\*.lst"
+	-@erase "$(ICUTMP)\*.mak"
+	-@erase "$(ICUTMP)\*.obj"
+	-@erase "$(ICUTMP)\*.res"
+	-@erase "$(ICUTMP)\*.timestamp"
+	-@erase "$(TESTDATABLD)\*.cnv"
+	-@erase "$(TESTDATABLD)\*.icu"
+	-@erase "$(TESTDATABLD)\*.mak"
+	-@erase "$(TESTDATABLD)\*.nrm"
+	-@erase "$(TESTDATABLD)\*.res"
+	-@erase "$(TESTDATABLD)\*.spp"
+	-@erase "$(TESTDATABLD)\*.txt"
+	-@erase "$(TESTDATAOUT)\*.dat"
+	-@erase "$(TESTDATAOUT)\testdata\*.typ"
+	-@erase "$(TESTDATAOUT)\testdata\*.res"
+	-@erase "$(TESTDATAOUT)\testdata\*.txt"
+	-@erase "$(TESTDATAOUT)\testdata\*.lst"
 
 
 # DLL version information