update libusb to 1.0.26. (GPSBabel#877)

The following warnings are resolved in 1.0.25, but the lateset release is 1.0.26.
warning: 'kIOMasterPortDefault' is deprecated: first deprecated in macOS 12.0 [-Wdeprecated-declarations]

libusb.cmake

@@ -41,7 +41,6 @@ if(UNIX)
             mac/libusb/os/darwin_usb.c
             mac/libusb/os/events_posix.c
             mac/libusb/os/threads_posix.c
-            mac/libusb/hotplug.h
             mac/libusb/libusb.h
             mac/libusb/libusbi.h
             mac/libusb/version.h
@@ -52,7 +51,7 @@ if(UNIX)
             mac/libusb/XCode/config.h
           )
           target_include_directories(usb-1.0 PRIVATE mac/libusb/XCode PUBLIC mac/libusb)
-          target_link_libraries(usb-1.0 INTERFACE objc "-framework IOKit" "-framework CoreFoundation")
+          target_link_libraries(usb-1.0 INTERFACE objc "-framework IOKit" "-framework CoreFoundation" "-framework Security")
           list(APPEND LIBS usb-1.0)
         elseif(GPSBABEL_WITH_LIBUSB STREQUAL "custom")
           message(STATUS "libusb-1.0 is enabled but but must be manually configured.")

libusb.pri

@@ -32,7 +32,7 @@ unix {
           # TODO: It would be better to create an archive and link to it
           #       to separate library build requirements from gpsbabel requirements.
           DEFINES += LIBUSB_H_INCLUDE=$$shell_quote(\"mac/libusb/libusb.h\")
-          LIBS += -lobjc -framework IOKit -framework CoreFoundation
+          LIBS += -lobjc -framework IOKit -framework CoreFoundation -framework Security
           INCLUDEPATH += mac/libusb \
                          mac/libusb/Xcode
           SOURCES += \
@@ -46,7 +46,6 @@ unix {
             mac/libusb/os/events_posix.c \
             mac/libusb/os/threads_posix.c
           HEADERS += \
-            mac/libusb/hotplug.h \
             mac/libusb/libusb.h \
             mac/libusb/libusbi.h \
             mac/libusb/version.h \

mac/libusb/README

@@ -1,4 +1,4 @@
-This is libusb-1.0.24 from https://libusb.info/.
+This is libusb-1.0.26 from https://libusb.info/.
 Since we have such problems with people
 getting libusb successfully built - between the Universal Build issues
 and the fact that we have to work hard to go find where it's installed