fix in report: supplier quotations after merge with unicode
diff --git a/erpnext/buying/Report/Supplier Quotations/Supplier Quotations.txt b/erpnext/buying/Report/supplier_quotations/supplier_quotations.txt
similarity index 100%
rename from erpnext/buying/Report/Supplier Quotations/Supplier Quotations.txt
rename to erpnext/buying/Report/supplier_quotations/supplier_quotations.txt