Apply patch from BR 890790

preproc.c

@@ -4412,6 +4412,8 @@ static char *pp_getline(void)
                 nasm_free(i);
                 if (!istk)
                     return NULL;
+                if (istk->expansion && istk->expansion->finishes)
+                    break;
             }
         }
 

test/br890790.asm

@@ -0,0 +1,7 @@
+;Testname=test; Arguments=-fbin -obr890790.bin; Files=.stdout .stderr br890790.bin
+%rep 5
+  db 0
+  %include "br890790_i.asm"
+%endrep
+
+db 1

test/br890790_i.asm

@@ -0,0 +1 @@
+db 2