tests: make run-make/issue-7349 more specific to avoid false positives.

Author: eddyb

src/test/run-make/issue-7349/Makefile

@@ -7,5 +7,5 @@
 
 all:
 	$(RUSTC) foo.rs --emit=llvm-ir
-	[ "$$(grep -c 8675309 "$(TMPDIR)/foo.ll")" -eq "1" ]
-	[ "$$(grep -c 11235813 "$(TMPDIR)/foo.ll")" -eq "1" ]
+	[ "$$(grep -c 'ret i32 8675309' "$(TMPDIR)/foo.ll")" -eq "1" ]
+	[ "$$(grep -c 'ret i32 11235813' "$(TMPDIR)/foo.ll")" -eq "1" ]

src/test/run-make/issue-7349/foo.rs

@@ -10,14 +10,14 @@
 
 fn outer<T>() {
     #[allow(dead_code)]
-    fn inner() -> uint {
+    fn inner() -> u32 {
         8675309
     }
 }
 
 extern "C" fn outer_foreign<T>() {
     #[allow(dead_code)]
-    fn inner() -> uint {
+    fn inner() -> u32 {
         11235813
     }
 }