Fix another error related to YAML quoting.

This one occured in polly, which I didn't build / test the first
time so I didn't catch it.

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@344378 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/ScopDetectionDiagnostics/ReportUnprofitable.ll b/test/ScopDetectionDiagnostics/ReportUnprofitable.ll
index 6b56e3e..31124e4 100644
--- a/test/ScopDetectionDiagnostics/ReportUnprofitable.ll
+++ b/test/ScopDetectionDiagnostics/ReportUnprofitable.ll
@@ -29,7 +29,7 @@
 ; YAML: --- !Missed
 ; YAML: Pass:            polly-detect
 ; YAML: Name:            RejectionErrors
-; YAML: DebugLoc:        { File: /tmp/test.c, Line: 2, Column: 3 }
+; YAML: DebugLoc:        { File: '/tmp/test.c', Line: 2, Column: 3 }
 ; YAML: Function:        onlyWrite
 ; YAML: Args:
 ; YAML:   - String:          The following errors keep this region from being a Scop.
@@ -37,7 +37,7 @@
 ; YAML: --- !Missed
 ; YAML: Pass:            polly-detect
 ; YAML: Name:            Unprofitable
-; YAML: DebugLoc:        { File: /tmp/test.c, Line: 2, Column: 3 }
+; YAML: DebugLoc:        { File: '/tmp/test.c', Line: 2, Column: 3 }
 ; YAML: Function:        onlyWrite
 ; YAML: Args:
 ; YAML:   - String:          No profitable polyhedral optimization found
@@ -45,7 +45,7 @@
 ; YAML: --- !Missed
 ; YAML: Pass:            polly-detect
 ; YAML: Name:            InvalidScopEnd
-; YAML: DebugLoc:        { File: /tmp/test.c, Line: 3, Column: 10 }
+; YAML: DebugLoc:        { File: '/tmp/test.c', Line: 3, Column: 10 }
 ; YAML: Function:        onlyWrite
 ; YAML: Args:
 ; YAML:   - String:          Invalid Scop candidate ends here.
@@ -53,7 +53,7 @@
 ; YAML: --- !Missed
 ; YAML: Pass:            polly-detect
 ; YAML: Name:            RejectionErrors
-; YAML: DebugLoc:        { File: /tmp/test.c, Line: 7, Column: 3 }
+; YAML: DebugLoc:        { File: '/tmp/test.c', Line: 7, Column: 3 }
 ; YAML: Function:        onlyRead
 ; YAML: Args:
 ; YAML:   - String:          The following errors keep this region from being a Scop.
@@ -61,7 +61,7 @@
 ; YAML: --- !Missed
 ; YAML: Pass:            polly-detect
 ; YAML: Name:            Unprofitable
-; YAML: DebugLoc:        { File: /tmp/test.c, Line: 7, Column: 3 }
+; YAML: DebugLoc:        { File: '/tmp/test.c', Line: 7, Column: 3 }
 ; YAML: Function:        onlyRead
 ; YAML: Args:
 ; YAML:   - String:          No profitable polyhedral optimization found
@@ -69,7 +69,7 @@
 ; YAML: --- !Missed
 ; YAML: Pass:            polly-detect
 ; YAML: Name:            InvalidScopEnd
-; YAML: DebugLoc:        { File: /tmp/test.c, Line: 8, Column: 10 }
+; YAML: DebugLoc:        { File: '/tmp/test.c', Line: 8, Column: 10 }
 ; YAML: Function:        onlyRead
 ; YAML: Args:
 ; YAML:   - String:          Invalid Scop candidate ends here.