Make sure every package using a C/C++ compiler depends on one

The "cc" virtual package provides the environment default compiler.

mingw-w64-python-python_ics/PKGBUILD

@@ -15,7 +15,8 @@ url='https://github.com/intrepidcs/python_ics/'
 license=('MIT')
 depends=("${MINGW_PACKAGE_PREFIX}-python")
 makedepends=("${MINGW_PACKAGE_PREFIX}-python"
-             "${MINGW_PACKAGE_PREFIX}-python-setuptools")
+             "${MINGW_PACKAGE_PREFIX}-python-setuptools"
+             "${MINGW_PACKAGE_PREFIX}-cc")
 options=('staticlibs' 'strip' '!debug')
 source=("${_realname}-${pkgver}.tar.gz"::"https://github.com/intrepidcs/python_ics/archive/v${pkgver}.tar.gz"
         mingw-build.patch