Fix MinGW build error

With MinGW the build fails for some LAPACKE xgesvd routines with:
lapacke_cgesvdq.c:74:5: error: aggregate value used where an integer was expected
Seems the C2INT macro is useful there.

Author: jschueller

LAPACKE/src/lapacke_cgesvdq.c

@@ -71,7 +71,7 @@ lapack_int LAPACKE_cgesvdq( int matrix_layout, char joba, char jobp,
         goto exit_level_0;
     }
     liwork = (lapack_int)iwork_query;
-    lcwork = (lapack_int)cwork_query;
+    lcwork = LAPACK_C2INT(cwork_query);
     lrwork = (lapack_int)rwork_query;
     /* Allocate memory for work arrays */
     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );

LAPACKE/src/lapacke_zgesvdq.c

@@ -71,7 +71,7 @@ lapack_int LAPACKE_zgesvdq( int matrix_layout, char joba, char jobp,
         goto exit_level_0;
     }
     liwork = (lapack_int)iwork_query;
-    lcwork = (lapack_int)cwork_query;
+    lcwork = LAPACK_C2INT(cwork_query);
     lrwork = (lapack_int)rwork_query;
     /* Allocate memory for work arrays */
     iwork = (lapack_int*)LAPACKE_malloc( sizeof(lapack_int) * liwork );