- fix patching in the correct target cflags (Thiago A. Corr^ea)

package/qtopia4/qtopia4.mk

@@ -129,7 +129,7 @@ ifneq ($(BR2_INET_IPV6),y)
 	$(SED) 's/^CFG_IPV6IFNAME=auto/CFG_IPV6IFNAME=no/' $(QTOPIA4_TARGET_DIR)/configure
 endif
 	$(SED) 's/^CFG_XINERAMA=auto/CFG_XINERAMA=no/' $(QTOPIA4_TARGET_DIR)/configure
-	$(SED) 's/-O2/$(TARGET_CFLAGS)/' $(QTOPIA4_TARGET_DIR)/mkspecs/qws/linux-$(BR2_PACKAGE_QTOPIA4_EMB_PLATFORM)-g++/qmake.conf
+	$(SED) 's,-O2,$(TARGET_CFLAGS),' $(QTOPIA4_TARGET_DIR)/mkspecs/qws/linux-$(BR2_PACKAGE_QTOPIA4_EMB_PLATFORM)-g++/qmake.conf
 	-[ -f $(QTOPIA4_QCONFIG_FILE) ] && cp $(QTOPIA4_QCONFIG_FILE) \
 		$(QTOPIA4_TARGET_DIR)/$(QTOPIA4_QCONFIG_FILE_LOCATION)
 	(cd $(QTOPIA4_TARGET_DIR); rm -rf config.cache; \
@@ -217,7 +217,7 @@ ifneq ($(BR2_INET_IPV6),y)
 	$(SED) 's/^CFG_IPV6IFNAME=auto/CFG_IPV6IFNAME=no/' $(QTOPIA4_HOST_DIR)/configure
 endif
 	$(SED) 's/^CFG_XINERAMA=auto/CFG_XINERAMA=no/' $(QTOPIA4_HOST_DIR)/configure
-	$(SED) 's/-O2/$(TARGET_CFLAGS)/' $(QTOPIA4_HOST_DIR)/mkspecs/qws/linux-$(BR2_PACKAGE_QTOPIA4_EMB_PLATFORM)-g++/qmake.conf
+	$(SED) 's,-O2,$(TARGET_CFLAGS),' $(QTOPIA4_HOST_DIR)/mkspecs/qws/linux-$(BR2_PACKAGE_QTOPIA4_EMB_PLATFORM)-g++/qmake.conf
 	-[ -f $(QTOPIA4_QCONFIG_FILE) ] && cp $(QTOPIA4_QCONFIG_FILE) \
 		$(QTOPIA4_HOST_DIR)/$(QTOPIA4_QCONFIG_FILE_LOCATION)
 	(cd $(QTOPIA4_HOST_DIR); rm -rf config.cache; \