morse_create_imported_target: fix a warning when some double quote are used in cflags

modules/find/FindMorseCommon.cmake

@@ -144,6 +144,7 @@ macro(morse_create_imported_target name)
       get_target_property(_CFLAGS    PkgConfig::${name} INTERFACE_COMPILE_OPTIONS)
       get_target_property(_LDFLAGS   PkgConfig::${name} INTERFACE_LINK_OPTIONS)
 
+      string(REGEX REPLACE "\"" "" _CFLAGS "${_CFLAGS}")
       set_target_properties(MORSE::${name} PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${_INCLUDES}")
       set_target_properties(MORSE::${name} PROPERTIES INTERFACE_LINK_DIRECTORIES    "${_LIBDIRS}")
       set_target_properties(MORSE::${name} PROPERTIES INTERFACE_LINK_LIBRARIES      "${_LIBRARIES}")
@@ -163,6 +164,7 @@ macro(morse_create_imported_target name)
         set_target_properties(MORSE::${name} PROPERTIES INTERFACE_LINK_LIBRARIES "${${name}_LIBRARIES}")
       endif()
       if (${name}_CFLAGS_OTHER)
+        string(REGEX REPLACE "\"" "" ${name}_CFLAGS_OTHER "${${name}_CFLAGS_OTHER}")
         set_target_properties(MORSE::${name} PROPERTIES INTERFACE_COMPILE_OPTIONS "${${name}_CFLAGS_OTHER}")
       endif()
       if (${name}_LDFLAGS_OTHER)