fix typo

Author: svigerske

src/lpi/lpi_grb.c

@@ -50,7 +50,7 @@
 #endif
 
 #if ( GRB_VERSION_MAJOR < 6 || ( GRB_VERSION_MAJOR == 7 && GRB_VERSION_MINOR == 0 && GRB_VERSION_TECHNICAL < 2 ) )
-#error "The Gurobi intreface only works for Gurobi versions at least 7.0.2"
+#error "The Gurobi interface only works for Gurobi versions at least 7.0.2"
 #endif
 
 #ifdef SCIP_THREADSAFE